Home / 101,574,138.60-152,361,207.90-75,708,052.20

Finding the Fourth Proportional to 101,574,138.60, 152,361,207.90 and 75,708,052.20

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Solution

The fourth proportional to 101,574,138.60, 152,361,207.90 and 75,708,052.20 is: 113,562,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,574,138.60 : 152,361,207.90 = 75,708,052.20 : x
  2. Step 2: Convert to fraction form
    101,574,138.60/152,361,207.90 = 75,708,052.20/x
  3. Step 3: Cross multiply
    101,574,138.60x = 152,361,207.90 × 75,708,052.20
  4. Step 4: Simplify right side
    101,574,138.60x = 11,534,970,280,948,254
  5. Step 5: Solve for x
    x = 11,534,970,280,948,254/101,574,138.60
  6. Step 6: Final answer
    x = 113,562,078.30

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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.