Home / 178,850,140.80-268,275,211.20-148,617,052.80

Finding the Fourth Proportional to 178,850,140.80, 268,275,211.20 and 148,617,052.80

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Solution

The fourth proportional to 178,850,140.80, 268,275,211.20 and 148,617,052.80 is: 222,925,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,850,140.80 : 268,275,211.20 = 148,617,052.80 : x
  2. Step 2: Convert to fraction form
    178,850,140.80/268,275,211.20 = 148,617,052.80/x
  3. Step 3: Cross multiply
    178,850,140.80x = 268,275,211.20 × 148,617,052.80
  4. Step 4: Simplify right side
    178,850,140.80x = 39,870,271,227,841,552
  5. Step 5: Solve for x
    x = 39,870,271,227,841,552/178,850,140.80
  6. Step 6: Final answer
    x = 222,925,579.20

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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.