Home / 156,473,992.26-215,956,564.56-93,752,567.28

Finding the Fourth Proportional to 156,473,992.26, 215,956,564.56 and 93,752,567.28

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Solution

The fourth proportional to 156,473,992.26, 215,956,564.56 and 93,752,567.28 is: 129,391,997.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,473,992.26 : 215,956,564.56 = 93,752,567.28 : x
  2. Step 2: Convert to fraction form
    156,473,992.26/215,956,564.56 = 93,752,567.28/x
  3. Step 3: Cross multiply
    156,473,992.26x = 215,956,564.56 × 93,752,567.28
  4. Step 4: Simplify right side
    156,473,992.26x = 20,246,482,348,469,064
  5. Step 5: Solve for x
    x = 20,246,482,348,469,064/156,473,992.26
  6. Step 6: Final answer
    x = 129,391,997.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.