Home / 88,002,403.20-132,003,604.80-42,652,771.20

Finding the Fourth Proportional to 88,002,403.20, 132,003,604.80 and 42,652,771.20

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Solution

The fourth proportional to 88,002,403.20, 132,003,604.80 and 42,652,771.20 is: 63,979,156.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,002,403.20 : 132,003,604.80 = 42,652,771.20 : x
  2. Step 2: Convert to fraction form
    88,002,403.20/132,003,604.80 = 42,652,771.20/x
  3. Step 3: Cross multiply
    88,002,403.20x = 132,003,604.80 × 42,652,771.20
  4. Step 4: Simplify right side
    88,002,403.20x = 5,630,319,553,109,622
  5. Step 5: Solve for x
    x = 5,630,319,553,109,622/88,002,403.20
  6. Step 6: Final answer
    x = 63,979,156.80

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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.