Home / 76,416,755.11-105,454,672.88-41,609,362.21

Finding the Fourth Proportional to 76,416,755.11, 105,454,672.88 and 41,609,362.21

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Solution

The fourth proportional to 76,416,755.11, 105,454,672.88 and 41,609,362.21 is: 57,420,675.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,416,755.11 : 105,454,672.88 = 41,609,362.21 : x
  2. Step 2: Convert to fraction form
    76,416,755.11/105,454,672.88 = 41,609,362.21/x
  3. Step 3: Cross multiply
    76,416,755.11x = 105,454,672.88 × 41,609,362.21
  4. Step 4: Simplify right side
    76,416,755.11x = 4,387,901,680,129,300.50
  5. Step 5: Solve for x
    x = 4,387,901,680,129,300.50/76,416,755.11
  6. Step 6: Final answer
    x = 57,420,675.27

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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.