Home / 59,555,780.80-89,333,671.20-21,218,545.60

Finding the Fourth Proportional to 59,555,780.80, 89,333,671.20 and 21,218,545.60

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Solution

The fourth proportional to 59,555,780.80, 89,333,671.20 and 21,218,545.60 is: 31,827,818.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,555,780.80 : 89,333,671.20 = 21,218,545.60 : x
  2. Step 2: Convert to fraction form
    59,555,780.80/89,333,671.20 = 21,218,545.60/x
  3. Step 3: Cross multiply
    59,555,780.80x = 89,333,671.20 × 21,218,545.60
  4. Step 4: Simplify right side
    59,555,780.80x = 1,895,530,575,972,607
  5. Step 5: Solve for x
    x = 1,895,530,575,972,607/59,555,780.80
  6. Step 6: Final answer
    x = 31,827,818.40

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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.