Home / 87,590,964.48-131,378,002.56-26,990,419.20

Finding the Fourth Proportional to 87,590,964.48, 131,378,002.56 and 26,990,419.20

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Solution

The fourth proportional to 87,590,964.48, 131,378,002.56 and 26,990,419.20 is: 40,483,026.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,590,964.48 : 131,378,002.56 = 26,990,419.20 : x
  2. Step 2: Convert to fraction form
    87,590,964.48/131,378,002.56 = 26,990,419.20/x
  3. Step 3: Cross multiply
    87,590,964.48x = 131,378,002.56 × 26,990,419.20
  4. Step 4: Simplify right side
    87,590,964.48x = 3,545,947,362,753,073
  5. Step 5: Solve for x
    x = 3,545,947,362,753,073/87,590,964.48
  6. Step 6: Final answer
    x = 40,483,026.80

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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.