Home / 87,480,351.40-131,220,527.10-26,895,980.20

Finding the Fourth Proportional to 87,480,351.40, 131,220,527.10 and 26,895,980.20

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Solution

The fourth proportional to 87,480,351.40, 131,220,527.10 and 26,895,980.20 is: 40,343,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,480,351.40 : 131,220,527.10 = 26,895,980.20 : x
  2. Step 2: Convert to fraction form
    87,480,351.40/131,220,527.10 = 26,895,980.20/x
  3. Step 3: Cross multiply
    87,480,351.40x = 131,220,527.10 × 26,895,980.20
  4. Step 4: Simplify right side
    87,480,351.40x = 3,529,304,698,715,163
  5. Step 5: Solve for x
    x = 3,529,304,698,715,163/87,480,351.40
  6. Step 6: Final answer
    x = 40,343,970.30

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Similar ratio
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1.5x scale

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.