Home / 74,893,960.40-103,344,714.20-41,398,914.78

Finding the Fourth Proportional to 74,893,960.40, 103,344,714.20 and 41,398,914.78

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Solution

The fourth proportional to 74,893,960.40, 103,344,714.20 and 41,398,914.78 is: 57,125,554.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,893,960.40 : 103,344,714.20 = 41,398,914.78 : x
  2. Step 2: Convert to fraction form
    74,893,960.40/103,344,714.20 = 41,398,914.78/x
  3. Step 3: Cross multiply
    74,893,960.40x = 103,344,714.20 × 41,398,914.78
  4. Step 4: Simplify right side
    74,893,960.40x = 4,278,359,016,232,753.50
  5. Step 5: Solve for x
    x = 4,278,359,016,232,753.50/74,893,960.40
  6. Step 6: Final answer
    x = 57,125,554.50

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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.