Home / 94,679,890.20-142,019,835.30-54,369,106.20

Finding the Fourth Proportional to 94,679,890.20, 142,019,835.30 and 54,369,106.20

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Solution

The fourth proportional to 94,679,890.20, 142,019,835.30 and 54,369,106.20 is: 81,553,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,679,890.20 : 142,019,835.30 = 54,369,106.20 : x
  2. Step 2: Convert to fraction form
    94,679,890.20/142,019,835.30 = 54,369,106.20/x
  3. Step 3: Cross multiply
    94,679,890.20x = 142,019,835.30 × 54,369,106.20
  4. Step 4: Simplify right side
    94,679,890.20x = 7,721,491,507,932,210
  5. Step 5: Solve for x
    x = 7,721,491,507,932,210/94,679,890.20
  6. Step 6: Final answer
    x = 81,553,659.30

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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.