Home / 181,321,041.56-250,220,643.78-100,852,490.66

Finding the Fourth Proportional to 181,321,041.56, 250,220,643.78 and 100,852,490.66

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Solution

The fourth proportional to 181,321,041.56, 250,220,643.78 and 100,852,490.66 is: 139,175,105.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,321,041.56 : 250,220,643.78 = 100,852,490.66 : x
  2. Step 2: Convert to fraction form
    181,321,041.56/250,220,643.78 = 100,852,490.66/x
  3. Step 3: Cross multiply
    181,321,041.56x = 250,220,643.78 × 100,852,490.66
  4. Step 4: Simplify right side
    181,321,041.56x = 25,235,375,139,761,636
  5. Step 5: Solve for x
    x = 25,235,375,139,761,636/181,321,041.56
  6. Step 6: Final answer
    x = 139,175,105.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.