Home / 129,892,340.96-194,567,380.96-77,912,095.04

Finding the Fourth Proportional to 129,892,340.96, 194,567,380.96 and 77,912,095.04

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Solution

The fourth proportional to 129,892,340.96, 194,567,380.96 and 77,912,095.04 is: 116,705,512.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,892,340.96 : 194,567,380.96 = 77,912,095.04 : x
  2. Step 2: Convert to fraction form
    129,892,340.96/194,567,380.96 = 77,912,095.04/x
  3. Step 3: Cross multiply
    129,892,340.96x = 194,567,380.96 × 77,912,095.04
  4. Step 4: Simplify right side
    129,892,340.96x = 15,159,152,277,039,408
  5. Step 5: Solve for x
    x = 15,159,152,277,039,408/129,892,340.96
  6. Step 6: Final answer
    x = 116,705,512.93

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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.