Home / 268,272,034.70-402,408,052.05-84,054,901.10

Finding the Fourth Proportional to 268,272,034.70, 402,408,052.05 and 84,054,901.10

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Solution

The fourth proportional to 268,272,034.70, 402,408,052.05 and 84,054,901.10 is: 126,082,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,272,034.70 : 402,408,052.05 = 84,054,901.10 : x
  2. Step 2: Convert to fraction form
    268,272,034.70/402,408,052.05 = 84,054,901.10/x
  3. Step 3: Cross multiply
    268,272,034.70x = 402,408,052.05 × 84,054,901.10
  4. Step 4: Simplify right side
    268,272,034.70x = 33,824,369,016,906,400
  5. Step 5: Solve for x
    x = 33,824,369,016,906,400/268,272,034.70
  6. Step 6: Final answer
    x = 126,082,351.65

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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.