Home / 66,434,672.70-99,652,009.05-49,428,560.70

Finding the Fourth Proportional to 66,434,672.70, 99,652,009.05 and 49,428,560.70

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Solution

The fourth proportional to 66,434,672.70, 99,652,009.05 and 49,428,560.70 is: 74,142,841.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434,672.70 : 99,652,009.05 = 49,428,560.70 : x
  2. Step 2: Convert to fraction form
    66,434,672.70/99,652,009.05 = 49,428,560.70/x
  3. Step 3: Cross multiply
    66,434,672.70x = 99,652,009.05 × 49,428,560.70
  4. Step 4: Simplify right side
    66,434,672.70x = 4,925,655,378,204,874
  5. Step 5: Solve for x
    x = 4,925,655,378,204,874/66,434,672.70
  6. Step 6: Final answer
    x = 74,142,841.05

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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.