Home / 261,761,809.92-361,247,459.20-144,286,875.20

Finding the Fourth Proportional to 261,761,809.92, 361,247,459.20 and 144,286,875.20

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Solution

The fourth proportional to 261,761,809.92, 361,247,459.20 and 144,286,875.20 is: 199,124,796.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,761,809.92 : 361,247,459.20 = 144,286,875.20 : x
  2. Step 2: Convert to fraction form
    261,761,809.92/361,247,459.20 = 144,286,875.20/x
  3. Step 3: Cross multiply
    261,761,809.92x = 361,247,459.20 × 144,286,875.20
  4. Step 4: Simplify right side
    261,761,809.92x = 52,123,267,061,907,488
  5. Step 5: Solve for x
    x = 52,123,267,061,907,488/261,761,809.92
  6. Step 6: Final answer
    x = 199,124,796.23

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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.