Home / 129,559,287.20-194,338,930.80-52,856,823.20

Finding the Fourth Proportional to 129,559,287.20, 194,338,930.80 and 52,856,823.20

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Solution

The fourth proportional to 129,559,287.20, 194,338,930.80 and 52,856,823.20 is: 79,285,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,559,287.20 : 194,338,930.80 = 52,856,823.20 : x
  2. Step 2: Convert to fraction form
    129,559,287.20/194,338,930.80 = 52,856,823.20/x
  3. Step 3: Cross multiply
    129,559,287.20x = 194,338,930.80 × 52,856,823.20
  4. Step 4: Simplify right side
    129,559,287.20x = 10,272,138,506,172,636
  5. Step 5: Solve for x
    x = 10,272,138,506,172,636/129,559,287.20
  6. Step 6: Final answer
    x = 79,285,234.80

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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.