Home / 80,762,446.30-121,143,669.46-48,513,819.10

Finding the Fourth Proportional to 80,762,446.30, 121,143,669.46 and 48,513,819.10

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Solution

The fourth proportional to 80,762,446.30, 121,143,669.46 and 48,513,819.10 is: 72,770,728.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,762,446.30 : 121,143,669.46 = 48,513,819.10 : x
  2. Step 2: Convert to fraction form
    80,762,446.30/121,143,669.46 = 48,513,819.10/x
  3. Step 3: Cross multiply
    80,762,446.30x = 121,143,669.46 × 48,513,819.10
  4. Step 4: Simplify right side
    80,762,446.30x = 5,877,142,065,292,635
  5. Step 5: Solve for x
    x = 5,877,142,065,292,635/80,762,446.30
  6. Step 6: Final answer
    x = 72,770,728.66

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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.