Home / 240,155,144.10-331,414,382.28-130,146,857.10

Finding the Fourth Proportional to 240,155,144.10, 331,414,382.28 and 130,146,857.10

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Solution

The fourth proportional to 240,155,144.10, 331,414,382.28 and 130,146,857.10 is: 179,602,816.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,155,144.10 : 331,414,382.28 = 130,146,857.10 : x
  2. Step 2: Convert to fraction form
    240,155,144.10/331,414,382.28 = 130,146,857.10/x
  3. Step 3: Cross multiply
    240,155,144.10x = 331,414,382.28 × 130,146,857.10
  4. Step 4: Simplify right side
    240,155,144.10x = 43,132,540,251,479,928
  5. Step 5: Solve for x
    x = 43,132,540,251,479,928/240,155,144.10
  6. Step 6: Final answer
    x = 179,602,816.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.