Home / 130,408,863.20-195,613,294.80-92,145,111.20

Finding the Fourth Proportional to 130,408,863.20, 195,613,294.80 and 92,145,111.20

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Solution

The fourth proportional to 130,408,863.20, 195,613,294.80 and 92,145,111.20 is: 138,217,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,408,863.20 : 195,613,294.80 = 92,145,111.20 : x
  2. Step 2: Convert to fraction form
    130,408,863.20/195,613,294.80 = 92,145,111.20/x
  3. Step 3: Cross multiply
    130,408,863.20x = 195,613,294.80 × 92,145,111.20
  4. Step 4: Simplify right side
    130,408,863.20x = 18,024,808,801,544,384
  5. Step 5: Solve for x
    x = 18,024,808,801,544,384/130,408,863.20
  6. Step 6: Final answer
    x = 138,217,666.80

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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.