Home / 42,520,414.40-63,780,621.60-40,840,798.40

Finding the Fourth Proportional to 42,520,414.40, 63,780,621.60 and 40,840,798.40

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Solution

The fourth proportional to 42,520,414.40, 63,780,621.60 and 40,840,798.40 is: 61,261,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,520,414.40 : 63,780,621.60 = 40,840,798.40 : x
  2. Step 2: Convert to fraction form
    42,520,414.40/63,780,621.60 = 40,840,798.40/x
  3. Step 3: Cross multiply
    42,520,414.40x = 63,780,621.60 × 40,840,798.40
  4. Step 4: Simplify right side
    42,520,414.40x = 2,604,851,508,592,285.50
  5. Step 5: Solve for x
    x = 2,604,851,508,592,285.50/42,520,414.40
  6. Step 6: Final answer
    x = 61,261,197.60

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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.