Home / 279,132,441.84-418,761,109.84-85,059,046

Finding the Fourth Proportional to 279,132,441.84, 418,761,109.84 and 85,059,046

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Solution

The fourth proportional to 279,132,441.84, 418,761,109.84 and 85,059,046 is: 127,607,598.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,132,441.84 : 418,761,109.84 = 85,059,046 : x
  2. Step 2: Convert to fraction form
    279,132,441.84/418,761,109.84 = 85,059,046/x
  3. Step 3: Cross multiply
    279,132,441.84x = 418,761,109.84 × 85,059,046
  4. Step 4: Simplify right side
    279,132,441.84x = 35,619,420,504,891,612
  5. Step 5: Solve for x
    x = 35,619,420,504,891,612/279,132,441.84
  6. Step 6: Final answer
    x = 127,607,598.28

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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.