Home / 305,908,350-458,952,065.66-98,642,592.21

Finding the Fourth Proportional to 305,908,350, 458,952,065.66 and 98,642,592.21

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Solution

The fourth proportional to 305,908,350, 458,952,065.66 and 98,642,592.21 is: 147,992,761.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,908,350 : 458,952,065.66 = 98,642,592.21 : x
  2. Step 2: Convert to fraction form
    305,908,350/458,952,065.66 = 98,642,592.21/x
  3. Step 3: Cross multiply
    305,908,350x = 458,952,065.66 × 98,642,592.21
  4. Step 4: Simplify right side
    305,908,350x = 45,272,221,456,836,528
  5. Step 5: Solve for x
    x = 45,272,221,456,836,528/305,908,350
  6. Step 6: Final answer
    x = 147,992,761.42

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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.