Home / 87,480,343.80-131,220,515.70-64,805,527.80

Finding the Fourth Proportional to 87,480,343.80, 131,220,515.70 and 64,805,527.80

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Solution

The fourth proportional to 87,480,343.80, 131,220,515.70 and 64,805,527.80 is: 97,208,291.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,480,343.80 : 131,220,515.70 = 64,805,527.80 : x
  2. Step 2: Convert to fraction form
    87,480,343.80/131,220,515.70 = 64,805,527.80/x
  3. Step 3: Cross multiply
    87,480,343.80x = 131,220,515.70 × 64,805,527.80
  4. Step 4: Simplify right side
    87,480,343.80x = 8,503,814,778,126,686
  5. Step 5: Solve for x
    x = 8,503,814,778,126,686/87,480,343.80
  6. Step 6: Final answer
    x = 97,208,291.70

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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.