Home / 87,132,458.40-130,726,681.20-58,411,024.80

Finding the Fourth Proportional to 87,132,458.40, 130,726,681.20 and 58,411,024.80

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Solution

The fourth proportional to 87,132,458.40, 130,726,681.20 and 58,411,024.80 is: 87,635,303.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,132,458.40 : 130,726,681.20 = 58,411,024.80 : x
  2. Step 2: Convert to fraction form
    87,132,458.40/130,726,681.20 = 58,411,024.80/x
  3. Step 3: Cross multiply
    87,132,458.40x = 130,726,681.20 × 58,411,024.80
  4. Step 4: Simplify right side
    87,132,458.40x = 7,635,879,417,594,894
  5. Step 5: Solve for x
    x = 7,635,879,417,594,894/87,132,458.40
  6. Step 6: Final answer
    x = 87,635,303.28

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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.