Home / 207,360,856.60-311,041,284.90-153,613,144.60

Finding the Fourth Proportional to 207,360,856.60, 311,041,284.90 and 153,613,144.60

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Solution

The fourth proportional to 207,360,856.60, 311,041,284.90 and 153,613,144.60 is: 230,419,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,360,856.60 : 311,041,284.90 = 153,613,144.60 : x
  2. Step 2: Convert to fraction form
    207,360,856.60/311,041,284.90 = 153,613,144.60/x
  3. Step 3: Cross multiply
    207,360,856.60x = 311,041,284.90 × 153,613,144.60
  4. Step 4: Simplify right side
    207,360,856.60x = 47,780,029,873,913,488
  5. Step 5: Solve for x
    x = 47,780,029,873,913,488/207,360,856.60
  6. Step 6: Final answer
    x = 230,419,716.90

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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.