Home / 147,190,572.12-220,785,063.17-84,901,514.34

Finding the Fourth Proportional to 147,190,572.12, 220,785,063.17 and 84,901,514.34

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Solution

The fourth proportional to 147,190,572.12, 220,785,063.17 and 84,901,514.34 is: 127,351,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,190,572.12 : 220,785,063.17 = 84,901,514.34 : x
  2. Step 2: Convert to fraction form
    147,190,572.12/220,785,063.17 = 84,901,514.34/x
  3. Step 3: Cross multiply
    147,190,572.12x = 220,785,063.17 × 84,901,514.34
  4. Step 4: Simplify right side
    147,190,572.12x = 18,744,986,206,361,052
  5. Step 5: Solve for x
    x = 18,744,986,206,361,052/147,190,572.12
  6. Step 6: Final answer
    x = 127,351,812.93

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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.