Home / 142,439,670.10-213,659,505.15-140,928,015.70

Finding the Fourth Proportional to 142,439,670.10, 213,659,505.15 and 140,928,015.70

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Solution

The fourth proportional to 142,439,670.10, 213,659,505.15 and 140,928,015.70 is: 211,392,023.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,439,670.10 : 213,659,505.15 = 140,928,015.70 : x
  2. Step 2: Convert to fraction form
    142,439,670.10/213,659,505.15 = 140,928,015.70/x
  3. Step 3: Cross multiply
    142,439,670.10x = 213,659,505.15 × 140,928,015.70
  4. Step 4: Simplify right side
    142,439,670.10x = 30,110,610,096,233,428
  5. Step 5: Solve for x
    x = 30,110,610,096,233,428/142,439,670.10
  6. Step 6: Final answer
    x = 211,392,023.55

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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.