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Finding the Fourth Proportional to 64,513,841.80, 96,770,762.70 and 59,363,019.40

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Solution

The fourth proportional to 64,513,841.80, 96,770,762.70 and 59,363,019.40 is: 89,044,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,513,841.80 : 96,770,762.70 = 59,363,019.40 : x
  2. Step 2: Convert to fraction form
    64,513,841.80/96,770,762.70 = 59,363,019.40/x
  3. Step 3: Cross multiply
    64,513,841.80x = 96,770,762.70 × 59,363,019.40
  4. Step 4: Simplify right side
    64,513,841.80x = 5,744,604,663,512,896
  5. Step 5: Solve for x
    x = 5,744,604,663,512,896/64,513,841.80
  6. Step 6: Final answer
    x = 89,044,529.10

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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.