Home / 71,931,938.30-107,897,907.45-26,487,827.90

Finding the Fourth Proportional to 71,931,938.30, 107,897,907.45 and 26,487,827.90

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Solution

The fourth proportional to 71,931,938.30, 107,897,907.45 and 26,487,827.90 is: 39,731,741.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,931,938.30 : 107,897,907.45 = 26,487,827.90 : x
  2. Step 2: Convert to fraction form
    71,931,938.30/107,897,907.45 = 26,487,827.90/x
  3. Step 3: Cross multiply
    71,931,938.30x = 107,897,907.45 × 26,487,827.90
  4. Step 4: Simplify right side
    71,931,938.30x = 2,857,981,203,305,728
  5. Step 5: Solve for x
    x = 2,857,981,203,305,728/71,931,938.30
  6. Step 6: Final answer
    x = 39,731,741.85

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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.