Home / 115,862,332.77-159,890,083.80-63,654,731.46

Finding the Fourth Proportional to 115,862,332.77, 159,890,083.80 and 63,654,731.46

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Solution

The fourth proportional to 115,862,332.77, 159,890,083.80 and 63,654,731.46 is: 87,843,564.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,862,332.77 : 159,890,083.80 = 63,654,731.46 : x
  2. Step 2: Convert to fraction form
    115,862,332.77/159,890,083.80 = 63,654,731.46/x
  3. Step 3: Cross multiply
    115,862,332.77x = 159,890,083.80 × 63,654,731.46
  4. Step 4: Simplify right side
    115,862,332.77x = 10,177,760,347,644,602
  5. Step 5: Solve for x
    x = 10,177,760,347,644,602/115,862,332.77
  6. Step 6: Final answer
    x = 87,843,564.89

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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.