Home / 87,006,487.80-120,066,204.90-47,848,143.45

Finding the Fourth Proportional to 87,006,487.80, 120,066,204.90 and 47,848,143.45

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Solution

The fourth proportional to 87,006,487.80, 120,066,204.90 and 47,848,143.45 is: 66,028,926.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,006,487.80 : 120,066,204.90 = 47,848,143.45 : x
  2. Step 2: Convert to fraction form
    87,006,487.80/120,066,204.90 = 47,848,143.45/x
  3. Step 3: Cross multiply
    87,006,487.80x = 120,066,204.90 × 47,848,143.45
  4. Step 4: Simplify right side
    87,006,487.80x = 5,744,944,995,552,294
  5. Step 5: Solve for x
    x = 5,744,944,995,552,294/87,006,487.80
  6. Step 6: Final answer
    x = 66,028,926.59

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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.