Home / 81,657,366.30-122,486,049.45-74,099,094.30

Finding the Fourth Proportional to 81,657,366.30, 122,486,049.45 and 74,099,094.30

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Solution

The fourth proportional to 81,657,366.30, 122,486,049.45 and 74,099,094.30 is: 111,148,641.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,657,366.30 : 122,486,049.45 = 74,099,094.30 : x
  2. Step 2: Convert to fraction form
    81,657,366.30/122,486,049.45 = 74,099,094.30/x
  3. Step 3: Cross multiply
    81,657,366.30x = 122,486,049.45 × 74,099,094.30
  4. Step 4: Simplify right side
    81,657,366.30x = 9,076,105,328,630,012
  5. Step 5: Solve for x
    x = 9,076,105,328,630,012/81,657,366.30
  6. Step 6: Final answer
    x = 111,148,641.45

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Double scale
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Similar ratio
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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.