Home / 94,679,980.20-142,019,970.30-54,369,196.20

Finding the Fourth Proportional to 94,679,980.20, 142,019,970.30 and 54,369,196.20

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Solution

The fourth proportional to 94,679,980.20, 142,019,970.30 and 54,369,196.20 is: 81,553,794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,679,980.20 : 142,019,970.30 = 54,369,196.20 : x
  2. Step 2: Convert to fraction form
    94,679,980.20/142,019,970.30 = 54,369,196.20/x
  3. Step 3: Cross multiply
    94,679,980.20x = 142,019,970.30 × 54,369,196.20
  4. Step 4: Simplify right side
    94,679,980.20x = 7,721,511,629,558,874
  5. Step 5: Solve for x
    x = 7,721,511,629,558,874/94,679,980.20
  6. Step 6: Final answer
    x = 81,553,794.30

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Half scale
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Double scale
Find fourth proportional to 94,679,981.20, 142,019,971.80 and 54,369,197.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.