Home / 76,416,756.11-105,454,674.25-41,609,363.21

Finding the Fourth Proportional to 76,416,756.11, 105,454,674.25 and 41,609,363.21

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Solution

The fourth proportional to 76,416,756.11, 105,454,674.25 and 41,609,363.21 is: 57,420,676.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,416,756.11 : 105,454,674.25 = 41,609,363.21 : x
  2. Step 2: Convert to fraction form
    76,416,756.11/105,454,674.25 = 41,609,363.21/x
  3. Step 3: Cross multiply
    76,416,756.11x = 105,454,674.25 × 41,609,363.21
  4. Step 4: Simplify right side
    76,416,756.11x = 4,387,901,843,060,484.50
  5. Step 5: Solve for x
    x = 4,387,901,843,060,484.50/76,416,756.11
  6. Step 6: Final answer
    x = 57,420,676.65

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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.