Home / 87,753,606.45-131,630,409.68-42,403,974.45

Finding the Fourth Proportional to 87,753,606.45, 131,630,409.68 and 42,403,974.45

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Solution

The fourth proportional to 87,753,606.45, 131,630,409.68 and 42,403,974.45 is: 63,605,961.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,753,606.45 : 131,630,409.68 = 42,403,974.45 : x
  2. Step 2: Convert to fraction form
    87,753,606.45/131,630,409.68 = 42,403,974.45/x
  3. Step 3: Cross multiply
    87,753,606.45x = 131,630,409.68 × 42,403,974.45
  4. Step 4: Simplify right side
    87,753,606.45x = 5,581,652,528,701,733
  5. Step 5: Solve for x
    x = 5,581,652,528,701,733/87,753,606.45
  6. Step 6: Final answer
    x = 63,605,961.68

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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.