Home / 129,569,125.60-194,204,389.20-52,841,778.40

Finding the Fourth Proportional to 129,569,125.60, 194,204,389.20 and 52,841,778.40

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Solution

The fourth proportional to 129,569,125.60, 194,204,389.20 and 52,841,778.40 is: 79,201,779.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,569,125.60 : 194,204,389.20 = 52,841,778.40 : x
  2. Step 2: Convert to fraction form
    129,569,125.60/194,204,389.20 = 52,841,778.40/x
  3. Step 3: Cross multiply
    129,569,125.60x = 194,204,389.20 × 52,841,778.40
  4. Step 4: Simplify right side
    129,569,125.60x = 10,262,105,298,413,752
  5. Step 5: Solve for x
    x = 10,262,105,298,413,752/129,569,125.60
  6. Step 6: Final answer
    x = 79,201,779.37

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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.