Home / 87,402,756.03-120,615,815.12-48,244,540.16

Finding the Fourth Proportional to 87,402,756.03, 120,615,815.12 and 48,244,540.16

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Solution

The fourth proportional to 87,402,756.03, 120,615,815.12 and 48,244,540.16 is: 66,577,471.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,402,756.03 : 120,615,815.12 = 48,244,540.16 : x
  2. Step 2: Convert to fraction form
    87,402,756.03/120,615,815.12 = 48,244,540.16/x
  3. Step 3: Cross multiply
    87,402,756.03x = 120,615,815.12 × 48,244,540.16
  4. Step 4: Simplify right side
    87,402,756.03x = 5,819,054,536,910,126
  5. Step 5: Solve for x
    x = 5,819,054,536,910,126/87,402,756.03
  6. Step 6: Final answer
    x = 66,577,471.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.