Home / 89,713,612.80-134,633,404.80-38,632,291.20

Finding the Fourth Proportional to 89,713,612.80, 134,633,404.80 and 38,632,291.20

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Solution

The fourth proportional to 89,713,612.80, 134,633,404.80 and 38,632,291.20 is: 57,975,559.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,713,612.80 : 134,633,404.80 = 38,632,291.20 : x
  2. Step 2: Convert to fraction form
    89,713,612.80/134,633,404.80 = 38,632,291.20/x
  3. Step 3: Cross multiply
    89,713,612.80x = 134,633,404.80 × 38,632,291.20
  4. Step 4: Simplify right side
    89,713,612.80x = 5,201,196,899,481,079
  5. Step 5: Solve for x
    x = 5,201,196,899,481,079/89,713,612.80
  6. Step 6: Final answer
    x = 57,975,559.53

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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.