Home / 76,453,785.82-105,506,367.51-45,515,025.82

Finding the Fourth Proportional to 76,453,785.82, 105,506,367.51 and 45,515,025.82

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Solution

The fourth proportional to 76,453,785.82, 105,506,367.51 and 45,515,025.82 is: 62,810,820.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,453,785.82 : 105,506,367.51 = 45,515,025.82 : x
  2. Step 2: Convert to fraction form
    76,453,785.82/105,506,367.51 = 45,515,025.82/x
  3. Step 3: Cross multiply
    76,453,785.82x = 105,506,367.51 × 45,515,025.82
  4. Step 4: Simplify right side
    76,453,785.82x = 4,802,125,041,392,059
  5. Step 5: Solve for x
    x = 4,802,125,041,392,059/76,453,785.82
  6. Step 6: Final answer
    x = 62,810,820.81

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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.