Home / 250,428,015.20-375,642,022.80-68,674,901.60

Finding the Fourth Proportional to 250,428,015.20, 375,642,022.80 and 68,674,901.60

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Solution

The fourth proportional to 250,428,015.20, 375,642,022.80 and 68,674,901.60 is: 103,012,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,428,015.20 : 375,642,022.80 = 68,674,901.60 : x
  2. Step 2: Convert to fraction form
    250,428,015.20/375,642,022.80 = 68,674,901.60/x
  3. Step 3: Cross multiply
    250,428,015.20x = 375,642,022.80 × 68,674,901.60
  4. Step 4: Simplify right side
    250,428,015.20x = 25,797,178,952,614,956
  5. Step 5: Solve for x
    x = 25,797,178,952,614,956/250,428,015.20
  6. Step 6: Final answer
    x = 103,012,352.40

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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.