Home / 163,646,839.52-225,837,421.82-89,312,170.83

Finding the Fourth Proportional to 163,646,839.52, 225,837,421.82 and 89,312,170.83

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Solution

The fourth proportional to 163,646,839.52, 225,837,421.82 and 89,312,170.83 is: 123,253,406.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,646,839.52 : 225,837,421.82 = 89,312,170.83 : x
  2. Step 2: Convert to fraction form
    163,646,839.52/225,837,421.82 = 89,312,170.83/x
  3. Step 3: Cross multiply
    163,646,839.52x = 225,837,421.82 × 89,312,170.83
  4. Step 4: Simplify right side
    163,646,839.52x = 20,170,030,396,948,048
  5. Step 5: Solve for x
    x = 20,170,030,396,948,048/163,646,839.52
  6. Step 6: Final answer
    x = 123,253,406.28

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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.