Home / 245,853,008.55-368,779,512.83-123,409,002.15

Finding the Fourth Proportional to 245,853,008.55, 368,779,512.83 and 123,409,002.15

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Solution

The fourth proportional to 245,853,008.55, 368,779,512.83 and 123,409,002.15 is: 185,113,503.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,853,008.55 : 368,779,512.83 = 123,409,002.15 : x
  2. Step 2: Convert to fraction form
    245,853,008.55/368,779,512.83 = 123,409,002.15/x
  3. Step 3: Cross multiply
    245,853,008.55x = 368,779,512.83 × 123,409,002.15
  4. Step 4: Simplify right side
    245,853,008.55x = 45,510,711,691,096,376
  5. Step 5: Solve for x
    x = 45,510,711,691,096,376/245,853,008.55
  6. Step 6: Final answer
    x = 185,113,503.23

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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.