Home / 87,006,648.80-120,066,426.96-47,848,304.72

Finding the Fourth Proportional to 87,006,648.80, 120,066,426.96 and 47,848,304.72

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Solution

The fourth proportional to 87,006,648.80, 120,066,426.96 and 47,848,304.72 is: 66,029,149.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,006,648.80 : 120,066,426.96 = 47,848,304.72 : x
  2. Step 2: Convert to fraction form
    87,006,648.80/120,066,426.96 = 47,848,304.72/x
  3. Step 3: Cross multiply
    87,006,648.80x = 120,066,426.96 × 47,848,304.72
  4. Step 4: Simplify right side
    87,006,648.80x = 5,744,974,983,823,703
  5. Step 5: Solve for x
    x = 5,744,974,983,823,703/87,006,648.80
  6. Step 6: Final answer
    x = 66,029,149.07

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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.