Home / 158,068,024.57-218,136,456.43-86,539,712.83

Finding the Fourth Proportional to 158,068,024.57, 218,136,456.43 and 86,539,712.83

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Solution

The fourth proportional to 158,068,024.57, 218,136,456.43 and 86,539,712.83 is: 119,426,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,068,024.57 : 218,136,456.43 = 86,539,712.83 : x
  2. Step 2: Convert to fraction form
    158,068,024.57/218,136,456.43 = 86,539,712.83/x
  3. Step 3: Cross multiply
    158,068,024.57x = 218,136,456.43 × 86,539,712.83
  4. Step 4: Simplify right side
    158,068,024.57x = 18,877,466,297,206,008
  5. Step 5: Solve for x
    x = 18,877,466,297,206,008/158,068,024.57
  6. Step 6: Final answer
    x = 119,426,217.60

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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.