Home / 86,133,402.60-129,199,906.76-36,917,343.47

Finding the Fourth Proportional to 86,133,402.60, 129,199,906.76 and 36,917,343.47

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Solution

The fourth proportional to 86,133,402.60, 129,199,906.76 and 36,917,343.47 is: 55,375,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,133,402.60 : 129,199,906.76 = 36,917,343.47 : x
  2. Step 2: Convert to fraction form
    86,133,402.60/129,199,906.76 = 36,917,343.47/x
  3. Step 3: Cross multiply
    86,133,402.60x = 129,199,906.76 × 36,917,343.47
  4. Step 4: Simplify right side
    86,133,402.60x = 4,769,717,333,320,309
  5. Step 5: Solve for x
    x = 4,769,717,333,320,309/86,133,402.60
  6. Step 6: Final answer
    x = 55,375,930.70

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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.