Home / 124,428,007.70-186,642,011.55-98,729,882.90

Finding the Fourth Proportional to 124,428,007.70, 186,642,011.55 and 98,729,882.90

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Solution

The fourth proportional to 124,428,007.70, 186,642,011.55 and 98,729,882.90 is: 148,094,824.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,428,007.70 : 186,642,011.55 = 98,729,882.90 : x
  2. Step 2: Convert to fraction form
    124,428,007.70/186,642,011.55 = 98,729,882.90/x
  3. Step 3: Cross multiply
    124,428,007.70x = 186,642,011.55 × 98,729,882.90
  4. Step 4: Simplify right side
    124,428,007.70x = 18,427,143,944,551,948
  5. Step 5: Solve for x
    x = 18,427,143,944,551,948/124,428,007.70
  6. Step 6: Final answer
    x = 148,094,824.35

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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.