Home / 148,398,215.40-222,597,323.10-71,870,711.40

Finding the Fourth Proportional to 148,398,215.40, 222,597,323.10 and 71,870,711.40

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Solution

The fourth proportional to 148,398,215.40, 222,597,323.10 and 71,870,711.40 is: 107,806,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,398,215.40 : 222,597,323.10 = 71,870,711.40 : x
  2. Step 2: Convert to fraction form
    148,398,215.40/222,597,323.10 = 71,870,711.40/x
  3. Step 3: Cross multiply
    148,398,215.40x = 222,597,323.10 × 71,870,711.40
  4. Step 4: Simplify right side
    148,398,215.40x = 15,998,227,966,932,654
  5. Step 5: Solve for x
    x = 15,998,227,966,932,654/148,398,215.40
  6. Step 6: Final answer
    x = 107,806,067.10

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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.