Home / 102,884,832.89-141,981,224.92-55,841,923.26

Finding the Fourth Proportional to 102,884,832.89, 141,981,224.92 and 55,841,923.26

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Solution

The fourth proportional to 102,884,832.89, 141,981,224.92 and 55,841,923.26 is: 77,061,938.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,884,832.89 : 141,981,224.92 = 55,841,923.26 : x
  2. Step 2: Convert to fraction form
    102,884,832.89/141,981,224.92 = 55,841,923.26/x
  3. Step 3: Cross multiply
    102,884,832.89x = 141,981,224.92 × 55,841,923.26
  4. Step 4: Simplify right side
    102,884,832.89x = 7,928,504,666,343,439
  5. Step 5: Solve for x
    x = 7,928,504,666,343,439/102,884,832.89
  6. Step 6: Final answer
    x = 77,061,938.52

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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.