Home / 102,884,822.51-141,981,210.60-55,841,912.87

Finding the Fourth Proportional to 102,884,822.51, 141,981,210.60 and 55,841,912.87

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Solution

The fourth proportional to 102,884,822.51, 141,981,210.60 and 55,841,912.87 is: 77,061,924.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,884,822.51 : 141,981,210.60 = 55,841,912.87 : x
  2. Step 2: Convert to fraction form
    102,884,822.51/141,981,210.60 = 55,841,912.87/x
  3. Step 3: Cross multiply
    102,884,822.51x = 141,981,210.60 × 55,841,912.87
  4. Step 4: Simplify right side
    102,884,822.51x = 7,928,502,390,792,414
  5. Step 5: Solve for x
    x = 7,928,502,390,792,414/102,884,822.51
  6. Step 6: Final answer
    x = 77,061,924.18

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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.