Home / 87,139,603.30-130,714,320.15-26,557,305.70

Finding the Fourth Proportional to 87,139,603.30, 130,714,320.15 and 26,557,305.70

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Solution

The fourth proportional to 87,139,603.30, 130,714,320.15 and 26,557,305.70 is: 39,837,456.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,139,603.30 : 130,714,320.15 = 26,557,305.70 : x
  2. Step 2: Convert to fraction form
    87,139,603.30/130,714,320.15 = 26,557,305.70/x
  3. Step 3: Cross multiply
    87,139,603.30x = 130,714,320.15 × 26,557,305.70
  4. Step 4: Simplify right side
    87,139,603.30x = 3,471,420,159,591,220
  5. Step 5: Solve for x
    x = 3,471,420,159,591,220/87,139,603.30
  6. Step 6: Final answer
    x = 39,837,456.54

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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.