Home / 98,408,082.40-147,612,123.60-75,449,831.20

Finding the Fourth Proportional to 98,408,082.40, 147,612,123.60 and 75,449,831.20

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Solution

The fourth proportional to 98,408,082.40, 147,612,123.60 and 75,449,831.20 is: 113,174,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,408,082.40 : 147,612,123.60 = 75,449,831.20 : x
  2. Step 2: Convert to fraction form
    98,408,082.40/147,612,123.60 = 75,449,831.20/x
  3. Step 3: Cross multiply
    98,408,082.40x = 147,612,123.60 × 75,449,831.20
  4. Step 4: Simplify right side
    98,408,082.40x = 11,137,309,808,693,536
  5. Step 5: Solve for x
    x = 11,137,309,808,693,536/98,408,082.40
  6. Step 6: Final answer
    x = 113,174,746.80

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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.