Home / 272,160,904.10-408,241,356.15-90,408,082.10

Finding the Fourth Proportional to 272,160,904.10, 408,241,356.15 and 90,408,082.10

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Solution

The fourth proportional to 272,160,904.10, 408,241,356.15 and 90,408,082.10 is: 135,612,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,160,904.10 : 408,241,356.15 = 90,408,082.10 : x
  2. Step 2: Convert to fraction form
    272,160,904.10/408,241,356.15 = 90,408,082.10/x
  3. Step 3: Cross multiply
    272,160,904.10x = 408,241,356.15 × 90,408,082.10
  4. Step 4: Simplify right side
    272,160,904.10x = 36,908,318,043,424,536
  5. Step 5: Solve for x
    x = 36,908,318,043,424,536/272,160,904.10
  6. Step 6: Final answer
    x = 135,612,123.15

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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.