Home / 42,520,411.20-63,780,616.80-29,780,212.80

Finding the Fourth Proportional to 42,520,411.20, 63,780,616.80 and 29,780,212.80

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Solution

The fourth proportional to 42,520,411.20, 63,780,616.80 and 29,780,212.80 is: 44,670,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,520,411.20 : 63,780,616.80 = 29,780,212.80 : x
  2. Step 2: Convert to fraction form
    42,520,411.20/63,780,616.80 = 29,780,212.80/x
  3. Step 3: Cross multiply
    42,520,411.20x = 63,780,616.80 × 29,780,212.80
  4. Step 4: Simplify right side
    42,520,411.20x = 1,899,400,340,819,255
  5. Step 5: Solve for x
    x = 1,899,400,340,819,255/42,520,411.20
  6. Step 6: Final answer
    x = 44,670,319.20

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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.