Home / 99,743,637.09-137,644,914.42-55,691,384.52

Finding the Fourth Proportional to 99,743,637.09, 137,644,914.42 and 55,691,384.52

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Solution

The fourth proportional to 99,743,637.09, 137,644,914.42 and 55,691,384.52 is: 76,853,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,743,637.09 : 137,644,914.42 = 55,691,384.52 : x
  2. Step 2: Convert to fraction form
    99,743,637.09/137,644,914.42 = 55,691,384.52/x
  3. Step 3: Cross multiply
    99,743,637.09x = 137,644,914.42 × 55,691,384.52
  4. Step 4: Simplify right side
    99,743,637.09x = 7,665,635,856,186,712
  5. Step 5: Solve for x
    x = 7,665,635,856,186,712/99,743,637.09
  6. Step 6: Final answer
    x = 76,853,382.13

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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.