Home / 87,310,348.14-130,965,522.20-74,326,580.20

Finding the Fourth Proportional to 87,310,348.14, 130,965,522.20 and 74,326,580.20

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Solution

The fourth proportional to 87,310,348.14, 130,965,522.20 and 74,326,580.20 is: 111,489,870.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,310,348.14 : 130,965,522.20 = 74,326,580.20 : x
  2. Step 2: Convert to fraction form
    87,310,348.14/130,965,522.20 = 74,326,580.20/x
  3. Step 3: Cross multiply
    87,310,348.14x = 130,965,522.20 × 74,326,580.20
  4. Step 4: Simplify right side
    87,310,348.14x = 9,734,219,389,233,182
  5. Step 5: Solve for x
    x = 9,734,219,389,233,182/87,310,348.14
  6. Step 6: Final answer
    x = 111,489,870.29

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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.