Home / 347,625,115.80-521,437,673.70-156,522,139.80

Finding the Fourth Proportional to 347,625,115.80, 521,437,673.70 and 156,522,139.80

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Solution

The fourth proportional to 347,625,115.80, 521,437,673.70 and 156,522,139.80 is: 234,783,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,625,115.80 : 521,437,673.70 = 156,522,139.80 : x
  2. Step 2: Convert to fraction form
    347,625,115.80/521,437,673.70 = 156,522,139.80/x
  3. Step 3: Cross multiply
    347,625,115.80x = 521,437,673.70 × 156,522,139.80
  4. Step 4: Simplify right side
    347,625,115.80x = 81,616,540,459,858,192
  5. Step 5: Solve for x
    x = 81,616,540,459,858,192/347,625,115.80
  6. Step 6: Final answer
    x = 234,783,209.70

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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.