Home / 88,002,401.70-132,003,602.55-42,652,769.70

Finding the Fourth Proportional to 88,002,401.70, 132,003,602.55 and 42,652,769.70

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Solution

The fourth proportional to 88,002,401.70, 132,003,602.55 and 42,652,769.70 is: 63,979,154.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,002,401.70 : 132,003,602.55 = 42,652,769.70 : x
  2. Step 2: Convert to fraction form
    88,002,401.70/132,003,602.55 = 42,652,769.70/x
  3. Step 3: Cross multiply
    88,002,401.70x = 132,003,602.55 × 42,652,769.70
  4. Step 4: Simplify right side
    88,002,401.70x = 5,630,319,259,135,483
  5. Step 5: Solve for x
    x = 5,630,319,259,135,483/88,002,401.70
  6. Step 6: Final answer
    x = 63,979,154.55

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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.