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Finding the Fourth Proportional to 64,747,245.60, 97,106,871.60 and 28,355,565.60

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Solution

The fourth proportional to 64,747,245.60, 97,106,871.60 and 28,355,565.60 is: 42,527,218.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,747,245.60 : 97,106,871.60 = 28,355,565.60 : x
  2. Step 2: Convert to fraction form
    64,747,245.60/97,106,871.60 = 28,355,565.60/x
  3. Step 3: Cross multiply
    64,747,245.60x = 97,106,871.60 × 28,355,565.60
  4. Step 4: Simplify right side
    64,747,245.60x = 2,753,520,267,864,577
  5. Step 5: Solve for x
    x = 2,753,520,267,864,577/64,747,245.60
  6. Step 6: Final answer
    x = 42,527,218.61

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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.