Home / 76,345,207.40-114,517,811.10-45,734,205.80

Finding the Fourth Proportional to 76,345,207.40, 114,517,811.10 and 45,734,205.80

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Solution

The fourth proportional to 76,345,207.40, 114,517,811.10 and 45,734,205.80 is: 68,601,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,345,207.40 : 114,517,811.10 = 45,734,205.80 : x
  2. Step 2: Convert to fraction form
    76,345,207.40/114,517,811.10 = 45,734,205.80/x
  3. Step 3: Cross multiply
    76,345,207.40x = 114,517,811.10 × 45,734,205.80
  4. Step 4: Simplify right side
    76,345,207.40x = 5,237,381,140,612,924
  5. Step 5: Solve for x
    x = 5,237,381,140,612,924/76,345,207.40
  6. Step 6: Final answer
    x = 68,601,308.70

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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.