Home / 74,888,082.10-112,332,123.15-69,849,234.10

Finding the Fourth Proportional to 74,888,082.10, 112,332,123.15 and 69,849,234.10

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Solution

The fourth proportional to 74,888,082.10, 112,332,123.15 and 69,849,234.10 is: 104,773,851.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,888,082.10 : 112,332,123.15 = 69,849,234.10 : x
  2. Step 2: Convert to fraction form
    74,888,082.10/112,332,123.15 = 69,849,234.10/x
  3. Step 3: Cross multiply
    74,888,082.10x = 112,332,123.15 × 69,849,234.10
  4. Step 4: Simplify right side
    74,888,082.10x = 7,846,312,766,854,379
  5. Step 5: Solve for x
    x = 7,846,312,766,854,379/74,888,082.10
  6. Step 6: Final answer
    x = 104,773,851.15

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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.