Home / 68,669,617.78-102,988,446.72-25,559,123.86

Finding the Fourth Proportional to 68,669,617.78, 102,988,446.72 and 25,559,123.86

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Solution

The fourth proportional to 68,669,617.78, 102,988,446.72 and 25,559,123.86 is: 38,332,737.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,669,617.78 : 102,988,446.72 = 25,559,123.86 : x
  2. Step 2: Convert to fraction form
    68,669,617.78/102,988,446.72 = 25,559,123.86/x
  3. Step 3: Cross multiply
    68,669,617.78x = 102,988,446.72 × 25,559,123.86
  4. Step 4: Simplify right side
    68,669,617.78x = 2,632,294,465,865,490.50
  5. Step 5: Solve for x
    x = 2,632,294,465,865,490.50/68,669,617.78
  6. Step 6: Final answer
    x = 38,332,737.98

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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.