Home / 127,813,302.80-191,719,954.20-107,405,968.40

Finding the Fourth Proportional to 127,813,302.80, 191,719,954.20 and 107,405,968.40

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Solution

The fourth proportional to 127,813,302.80, 191,719,954.20 and 107,405,968.40 is: 161,108,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,813,302.80 : 191,719,954.20 = 107,405,968.40 : x
  2. Step 2: Convert to fraction form
    127,813,302.80/191,719,954.20 = 107,405,968.40/x
  3. Step 3: Cross multiply
    127,813,302.80x = 191,719,954.20 × 107,405,968.40
  4. Step 4: Simplify right side
    127,813,302.80x = 20,591,867,342,454,648
  5. Step 5: Solve for x
    x = 20,591,867,342,454,648/127,813,302.80
  6. Step 6: Final answer
    x = 161,108,952.60

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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.