Home / 102,884,838.75-141,981,232.97-55,841,929.11

Finding the Fourth Proportional to 102,884,838.75, 141,981,232.97 and 55,841,929.11

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Solution

The fourth proportional to 102,884,838.75, 141,981,232.97 and 55,841,929.11 is: 77,061,946.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,884,838.75 : 141,981,232.97 = 55,841,929.11 : x
  2. Step 2: Convert to fraction form
    102,884,838.75/141,981,232.97 = 55,841,929.11/x
  3. Step 3: Cross multiply
    102,884,838.75x = 141,981,232.97 × 55,841,929.11
  4. Step 4: Simplify right side
    102,884,838.75x = 7,928,505,946,600,739
  5. Step 5: Solve for x
    x = 7,928,505,946,600,739/102,884,838.75
  6. Step 6: Final answer
    x = 77,061,946.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.