Home / 127,391,938.50-190,844,467.92-106,774,353.21

Finding the Fourth Proportional to 127,391,938.50, 190,844,467.92 and 106,774,353.21

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Solution

The fourth proportional to 127,391,938.50, 190,844,467.92 and 106,774,353.21 is: 159,957,489.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,391,938.50 : 190,844,467.92 = 106,774,353.21 : x
  2. Step 2: Convert to fraction form
    127,391,938.50/190,844,467.92 = 106,774,353.21/x
  3. Step 3: Cross multiply
    127,391,938.50x = 190,844,467.92 × 106,774,353.21
  4. Step 4: Simplify right side
    127,391,938.50x = 20,377,294,625,864,592
  5. Step 5: Solve for x
    x = 20,377,294,625,864,592/127,391,938.50
  6. Step 6: Final answer
    x = 159,957,489.19

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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.