Home / 129,354,059.60-194,058,046.20-43,119,256.40

Finding the Fourth Proportional to 129,354,059.60, 194,058,046.20 and 43,119,256.40

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Solution

The fourth proportional to 129,354,059.60, 194,058,046.20 and 43,119,256.40 is: 64,687,870.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,354,059.60 : 194,058,046.20 = 43,119,256.40 : x
  2. Step 2: Convert to fraction form
    129,354,059.60/194,058,046.20 = 43,119,256.40/x
  3. Step 3: Cross multiply
    129,354,059.60x = 194,058,046.20 × 43,119,256.40
  4. Step 4: Simplify right side
    129,354,059.60x = 8,367,638,650,580,845
  5. Step 5: Solve for x
    x = 8,367,638,650,580,845/129,354,059.60
  6. Step 6: Final answer
    x = 64,687,870.46

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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.