Home / 148,918,562.40-223,377,843.60-72,391,058.40

Finding the Fourth Proportional to 148,918,562.40, 223,377,843.60 and 72,391,058.40

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Solution

The fourth proportional to 148,918,562.40, 223,377,843.60 and 72,391,058.40 is: 108,586,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,918,562.40 : 223,377,843.60 = 72,391,058.40 : x
  2. Step 2: Convert to fraction form
    148,918,562.40/223,377,843.60 = 72,391,058.40/x
  3. Step 3: Cross multiply
    148,918,562.40x = 223,377,843.60 × 72,391,058.40
  4. Step 4: Simplify right side
    148,918,562.40x = 16,170,558,521,313,668
  5. Step 5: Solve for x
    x = 16,170,558,521,313,668/148,918,562.40
  6. Step 6: Final answer
    x = 108,586,587.60

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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.