Home / 121,280,751.30-181,929,000.15-63,885,123.30

Finding the Fourth Proportional to 121,280,751.30, 181,929,000.15 and 63,885,123.30

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Solution

The fourth proportional to 121,280,751.30, 181,929,000.15 and 63,885,123.30 is: 95,831,832.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,280,751.30 : 181,929,000.15 = 63,885,123.30 : x
  2. Step 2: Convert to fraction form
    121,280,751.30/181,929,000.15 = 63,885,123.30/x
  3. Step 3: Cross multiply
    121,280,751.30x = 181,929,000.15 × 63,885,123.30
  4. Step 4: Simplify right side
    121,280,751.30x = 11,622,556,606,428,468
  5. Step 5: Solve for x
    x = 11,622,556,606,428,468/121,280,751.30
  6. Step 6: Final answer
    x = 95,831,832.19

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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.