Home / 268,272,033.20-402,408,049.80-84,054,899.60

Finding the Fourth Proportional to 268,272,033.20, 402,408,049.80 and 84,054,899.60

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Solution

The fourth proportional to 268,272,033.20, 402,408,049.80 and 84,054,899.60 is: 126,082,349.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,272,033.20 : 402,408,049.80 = 84,054,899.60 : x
  2. Step 2: Convert to fraction form
    268,272,033.20/402,408,049.80 = 84,054,899.60/x
  3. Step 3: Cross multiply
    268,272,033.20x = 402,408,049.80 × 84,054,899.60
  4. Step 4: Simplify right side
    268,272,033.20x = 33,824,368,224,170,800
  5. Step 5: Solve for x
    x = 33,824,368,224,170,800/268,272,033.20
  6. Step 6: Final answer
    x = 126,082,349.40

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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.