Home / 148,743,999.60-223,115,999.40-90,545,305.20

Finding the Fourth Proportional to 148,743,999.60, 223,115,999.40 and 90,545,305.20

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Solution

The fourth proportional to 148,743,999.60, 223,115,999.40 and 90,545,305.20 is: 135,817,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,743,999.60 : 223,115,999.40 = 90,545,305.20 : x
  2. Step 2: Convert to fraction form
    148,743,999.60/223,115,999.40 = 90,545,305.20/x
  3. Step 3: Cross multiply
    148,743,999.60x = 223,115,999.40 × 90,545,305.20
  4. Step 4: Simplify right side
    148,743,999.60x = 20,202,106,260,676,020
  5. Step 5: Solve for x
    x = 20,202,106,260,676,020/148,743,999.60
  6. Step 6: Final answer
    x = 135,817,957.80

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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.