Home / 242,476,890.30-363,715,335.45-69,959,331.90

Finding the Fourth Proportional to 242,476,890.30, 363,715,335.45 and 69,959,331.90

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Solution

The fourth proportional to 242,476,890.30, 363,715,335.45 and 69,959,331.90 is: 104,938,997.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,476,890.30 : 363,715,335.45 = 69,959,331.90 : x
  2. Step 2: Convert to fraction form
    242,476,890.30/363,715,335.45 = 69,959,331.90/x
  3. Step 3: Cross multiply
    242,476,890.30x = 363,715,335.45 × 69,959,331.90
  4. Step 4: Simplify right side
    242,476,890.30x = 25,445,281,869,866,388
  5. Step 5: Solve for x
    x = 25,445,281,869,866,388/242,476,890.30
  6. Step 6: Final answer
    x = 104,938,997.85

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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.