Home / 214,348,849.92-321,225,405.48-111,908,545.20

Finding the Fourth Proportional to 214,348,849.92, 321,225,405.48 and 111,908,545.20

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Solution

The fourth proportional to 214,348,849.92, 321,225,405.48 and 111,908,545.20 is: 167,707,304.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,348,849.92 : 321,225,405.48 = 111,908,545.20 : x
  2. Step 2: Convert to fraction form
    214,348,849.92/321,225,405.48 = 111,908,545.20/x
  3. Step 3: Cross multiply
    214,348,849.92x = 321,225,405.48 × 111,908,545.20
  4. Step 4: Simplify right side
    214,348,849.92x = 35,947,867,808,546,912
  5. Step 5: Solve for x
    x = 35,947,867,808,546,912/214,348,849.92
  6. Step 6: Final answer
    x = 167,707,304.34

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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.