Home / 51,112,114.60-76,276,995.29-45,659,530

Finding the Fourth Proportional to 51,112,114.60, 76,276,995.29 and 45,659,530

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Solution

The fourth proportional to 51,112,114.60, 76,276,995.29 and 45,659,530 is: 68,139,848.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,112,114.60 : 76,276,995.29 = 45,659,530 : x
  2. Step 2: Convert to fraction form
    51,112,114.60/76,276,995.29 = 45,659,530/x
  3. Step 3: Cross multiply
    51,112,114.60x = 76,276,995.29 × 45,659,530
  4. Step 4: Simplify right side
    51,112,114.60x = 3,482,771,754,753,614
  5. Step 5: Solve for x
    x = 3,482,771,754,753,614/51,112,114.60
  6. Step 6: Final answer
    x = 68,139,848.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.