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Finding the Fourth Proportional to 59,796,862.80, 89,695,294.20 and 14,358,657.30

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Solution

The fourth proportional to 59,796,862.80, 89,695,294.20 and 14,358,657.30 is: 21,537,985.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,796,862.80 : 89,695,294.20 = 14,358,657.30 : x
  2. Step 2: Convert to fraction form
    59,796,862.80/89,695,294.20 = 14,358,657.30/x
  3. Step 3: Cross multiply
    59,796,862.80x = 89,695,294.20 × 14,358,657.30
  4. Step 4: Simplify right side
    59,796,862.80x = 1,287,903,990,840,477.75
  5. Step 5: Solve for x
    x = 1,287,903,990,840,477.75/59,796,862.80
  6. Step 6: Final answer
    x = 21,537,985.95

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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.