Home / 186,368,001.20-279,552,001.80-131,948,442.80

Finding the Fourth Proportional to 186,368,001.20, 279,552,001.80 and 131,948,442.80

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Solution

The fourth proportional to 186,368,001.20, 279,552,001.80 and 131,948,442.80 is: 197,922,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,368,001.20 : 279,552,001.80 = 131,948,442.80 : x
  2. Step 2: Convert to fraction form
    186,368,001.20/279,552,001.80 = 131,948,442.80/x
  3. Step 3: Cross multiply
    186,368,001.20x = 279,552,001.80 × 131,948,442.80
  4. Step 4: Simplify right side
    186,368,001.20x = 36,886,451,319,132,800
  5. Step 5: Solve for x
    x = 36,886,451,319,132,800/186,368,001.20
  6. Step 6: Final answer
    x = 197,922,664.20

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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.