Home / 127,867,028.80-191,800,543.20-73,447,470.40

Finding the Fourth Proportional to 127,867,028.80, 191,800,543.20 and 73,447,470.40

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Solution

The fourth proportional to 127,867,028.80, 191,800,543.20 and 73,447,470.40 is: 110,171,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,867,028.80 : 191,800,543.20 = 73,447,470.40 : x
  2. Step 2: Convert to fraction form
    127,867,028.80/191,800,543.20 = 73,447,470.40/x
  3. Step 3: Cross multiply
    127,867,028.80x = 191,800,543.20 × 73,447,470.40
  4. Step 4: Simplify right side
    127,867,028.80x = 14,087,264,719,385,922
  5. Step 5: Solve for x
    x = 14,087,264,719,385,922/127,867,028.80
  6. Step 6: Final answer
    x = 110,171,205.60

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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.