Home / 74,893,961.40-103,344,715.58-41,398,915.78

Finding the Fourth Proportional to 74,893,961.40, 103,344,715.58 and 41,398,915.78

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Solution

The fourth proportional to 74,893,961.40, 103,344,715.58 and 41,398,915.78 is: 57,125,555.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,893,961.40 : 103,344,715.58 = 41,398,915.78 : x
  2. Step 2: Convert to fraction form
    74,893,961.40/103,344,715.58 = 41,398,915.78/x
  3. Step 3: Cross multiply
    74,893,961.40x = 103,344,715.58 × 41,398,915.78
  4. Step 4: Simplify right side
    74,893,961.40x = 4,278,359,176,604,474
  5. Step 5: Solve for x
    x = 4,278,359,176,604,474/74,893,961.40
  6. Step 6: Final answer
    x = 57,125,555.87

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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.