Home / 250,254,828.50-375,119,470.80-84,200,687.78

Finding the Fourth Proportional to 250,254,828.50, 375,119,470.80 and 84,200,687.78

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Solution

The fourth proportional to 250,254,828.50, 375,119,470.80 and 84,200,687.78 is: 126,212,619.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,254,828.50 : 375,119,470.80 = 84,200,687.78 : x
  2. Step 2: Convert to fraction form
    250,254,828.50/375,119,470.80 = 84,200,687.78/x
  3. Step 3: Cross multiply
    250,254,828.50x = 375,119,470.80 × 84,200,687.78
  4. Step 4: Simplify right side
    250,254,828.50x = 31,585,317,441,029,628
  5. Step 5: Solve for x
    x = 31,585,317,441,029,628/250,254,828.50
  6. Step 6: Final answer
    x = 126,212,619.47

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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.