Home / 142,829,676.20-214,244,514.30-74,693,253.80

Finding the Fourth Proportional to 142,829,676.20, 214,244,514.30 and 74,693,253.80

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Solution

The fourth proportional to 142,829,676.20, 214,244,514.30 and 74,693,253.80 is: 112,039,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,829,676.20 : 214,244,514.30 = 74,693,253.80 : x
  2. Step 2: Convert to fraction form
    142,829,676.20/214,244,514.30 = 74,693,253.80/x
  3. Step 3: Cross multiply
    142,829,676.20x = 214,244,514.30 × 74,693,253.80
  4. Step 4: Simplify right side
    142,829,676.20x = 16,002,619,881,867,630
  5. Step 5: Solve for x
    x = 16,002,619,881,867,630/142,829,676.20
  6. Step 6: Final answer
    x = 112,039,880.70

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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.