Home / 87,000,371.69-120,063,628.10-47,845,176.62

Finding the Fourth Proportional to 87,000,371.69, 120,063,628.10 and 47,845,176.62

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Solution

The fourth proportional to 87,000,371.69, 120,063,628.10 and 47,845,176.62 is: 66,028,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,000,371.69 : 120,063,628.10 = 47,845,176.62 : x
  2. Step 2: Convert to fraction form
    87,000,371.69/120,063,628.10 = 47,845,176.62/x
  3. Step 3: Cross multiply
    87,000,371.69x = 120,063,628.10 × 47,845,176.62
  4. Step 4: Simplify right side
    87,000,371.69x = 5,744,465,492,082,494
  5. Step 5: Solve for x
    x = 5,744,465,492,082,494/87,000,371.69
  6. Step 6: Final answer
    x = 66,028,056.90

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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.