Home / 214,619,189.70-321,928,784.55-180,181,812.90

Finding the Fourth Proportional to 214,619,189.70, 321,928,784.55 and 180,181,812.90

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Solution

The fourth proportional to 214,619,189.70, 321,928,784.55 and 180,181,812.90 is: 270,272,719.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,619,189.70 : 321,928,784.55 = 180,181,812.90 : x
  2. Step 2: Convert to fraction form
    214,619,189.70/321,928,784.55 = 180,181,812.90/x
  3. Step 3: Cross multiply
    214,619,189.70x = 321,928,784.55 × 180,181,812.90
  4. Step 4: Simplify right side
    214,619,189.70x = 58,005,712,024,912,512
  5. Step 5: Solve for x
    x = 58,005,712,024,912,512/214,619,189.70
  6. Step 6: Final answer
    x = 270,272,719.35

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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.