Home / 87,315,030.42-130,972,545.77-35,487,490.45

Finding the Fourth Proportional to 87,315,030.42, 130,972,545.77 and 35,487,490.45

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Solution

The fourth proportional to 87,315,030.42, 130,972,545.77 and 35,487,490.45 is: 53,231,235.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,315,030.42 : 130,972,545.77 = 35,487,490.45 : x
  2. Step 2: Convert to fraction form
    87,315,030.42/130,972,545.77 = 35,487,490.45/x
  3. Step 3: Cross multiply
    87,315,030.42x = 130,972,545.77 × 35,487,490.45
  4. Step 4: Simplify right side
    87,315,030.42x = 4,647,886,966,513,045
  5. Step 5: Solve for x
    x = 4,647,886,966,513,045/87,315,030.42
  6. Step 6: Final answer
    x = 53,231,235.73

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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.