Home / 225,306,545.44-310,971,542.16-137,229,581.92

Finding the Fourth Proportional to 225,306,545.44, 310,971,542.16 and 137,229,581.92

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Solution

The fourth proportional to 225,306,545.44, 310,971,542.16 and 137,229,581.92 is: 189,406,369.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,306,545.44 : 310,971,542.16 = 137,229,581.92 : x
  2. Step 2: Convert to fraction form
    225,306,545.44/310,971,542.16 = 137,229,581.92/x
  3. Step 3: Cross multiply
    225,306,545.44x = 310,971,542.16 × 137,229,581.92
  4. Step 4: Simplify right side
    225,306,545.44x = 42,674,494,719,634,456
  5. Step 5: Solve for x
    x = 42,674,494,719,634,456/225,306,545.44
  6. Step 6: Final answer
    x = 189,406,369.16

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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.