Home / 76,416,759.10-105,454,678.38-41,609,366.20

Finding the Fourth Proportional to 76,416,759.10, 105,454,678.38 and 41,609,366.20

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Solution

The fourth proportional to 76,416,759.10, 105,454,678.38 and 41,609,366.20 is: 57,420,680.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,416,759.10 : 105,454,678.38 = 41,609,366.20 : x
  2. Step 2: Convert to fraction form
    76,416,759.10/105,454,678.38 = 41,609,366.20/x
  3. Step 3: Cross multiply
    76,416,759.10x = 105,454,678.38 × 41,609,366.20
  4. Step 4: Simplify right side
    76,416,759.10x = 4,387,902,330,216,643
  5. Step 5: Solve for x
    x = 4,387,902,330,216,643/76,416,759.10
  6. Step 6: Final answer
    x = 57,420,680.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.