Home / 159,615,720.96-220,272,145.92-93,520,401.36

Finding the Fourth Proportional to 159,615,720.96, 220,272,145.92 and 93,520,401.36

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Solution

The fourth proportional to 159,615,720.96, 220,272,145.92 and 93,520,401.36 is: 129,059,589.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,615,720.96 : 220,272,145.92 = 93,520,401.36 : x
  2. Step 2: Convert to fraction form
    159,615,720.96/220,272,145.92 = 93,520,401.36/x
  3. Step 3: Cross multiply
    159,615,720.96x = 220,272,145.92 × 93,520,401.36
  4. Step 4: Simplify right side
    159,615,720.96x = 20,599,939,494,866,884
  5. Step 5: Solve for x
    x = 20,599,939,494,866,884/159,615,720.96
  6. Step 6: Final answer
    x = 129,059,589.94

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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.