Home / 87,305,513.40-130,905,520.74-34,791,262.38

Finding the Fourth Proportional to 87,305,513.40, 130,905,520.74 and 34,791,262.38

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Solution

The fourth proportional to 87,305,513.40, 130,905,520.74 and 34,791,262.38 is: 52,165,872.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,305,513.40 : 130,905,520.74 = 34,791,262.38 : x
  2. Step 2: Convert to fraction form
    87,305,513.40/130,905,520.74 = 34,791,262.38/x
  3. Step 3: Cross multiply
    87,305,513.40x = 130,905,520.74 × 34,791,262.38
  4. Step 4: Simplify right side
    87,305,513.40x = 4,554,368,319,055,872
  5. Step 5: Solve for x
    x = 4,554,368,319,055,872/87,305,513.40
  6. Step 6: Final answer
    x = 52,165,872.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.