Home / 186,367,999.70-279,551,999.55-131,948,441.30

Finding the Fourth Proportional to 186,367,999.70, 279,551,999.55 and 131,948,441.30

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Solution

The fourth proportional to 186,367,999.70, 279,551,999.55 and 131,948,441.30 is: 197,922,661.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,367,999.70 : 279,551,999.55 = 131,948,441.30 : x
  2. Step 2: Convert to fraction form
    186,367,999.70/279,551,999.55 = 131,948,441.30/x
  3. Step 3: Cross multiply
    186,367,999.70x = 279,551,999.55 × 131,948,441.30
  4. Step 4: Simplify right side
    186,367,999.70x = 36,886,450,602,920,800
  5. Step 5: Solve for x
    x = 36,886,450,602,920,800/186,367,999.70
  6. Step 6: Final answer
    x = 197,922,661.95

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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.