Home / 74,914,705.20-112,344,064.20-52,127,914.80

Finding the Fourth Proportional to 74,914,705.20, 112,344,064.20 and 52,127,914.80

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Solution

The fourth proportional to 74,914,705.20, 112,344,064.20 and 52,127,914.80 is: 78,172,393.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,914,705.20 : 112,344,064.20 = 52,127,914.80 : x
  2. Step 2: Convert to fraction form
    74,914,705.20/112,344,064.20 = 52,127,914.80/x
  3. Step 3: Cross multiply
    74,914,705.20x = 112,344,064.20 × 52,127,914.80
  4. Step 4: Simplify right side
    74,914,705.20x = 5,856,261,806,903,330
  5. Step 5: Solve for x
    x = 5,856,261,806,903,330/74,914,705.20
  6. Step 6: Final answer
    x = 78,172,393.41

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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.