Home / 138,881,625.42-208,323,134.28-35,250,861.72

Finding the Fourth Proportional to 138,881,625.42, 208,323,134.28 and 35,250,861.72

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Solution

The fourth proportional to 138,881,625.42, 208,323,134.28 and 35,250,861.72 is: 52,876,469.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,881,625.42 : 208,323,134.28 = 35,250,861.72 : x
  2. Step 2: Convert to fraction form
    138,881,625.42/208,323,134.28 = 35,250,861.72/x
  3. Step 3: Cross multiply
    138,881,625.42x = 208,323,134.28 × 35,250,861.72
  4. Step 4: Simplify right side
    138,881,625.42x = 7,343,569,999,581,272
  5. Step 5: Solve for x
    x = 7,343,569,999,581,272/138,881,625.42
  6. Step 6: Final answer
    x = 52,876,469.28

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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.