Home / 45,134,817.15-67,654,972.45-18,888,690.30

Finding the Fourth Proportional to 45,134,817.15, 67,654,972.45 and 18,888,690.30

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Solution

The fourth proportional to 45,134,817.15, 67,654,972.45 and 18,888,690.30 is: 28,313,260.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,134,817.15 : 67,654,972.45 = 18,888,690.30 : x
  2. Step 2: Convert to fraction form
    45,134,817.15/67,654,972.45 = 18,888,690.30/x
  3. Step 3: Cross multiply
    45,134,817.15x = 67,654,972.45 × 18,888,690.30
  4. Step 4: Simplify right side
    45,134,817.15x = 1,277,913,821,863,082.25
  5. Step 5: Solve for x
    x = 1,277,913,821,863,082.25/45,134,817.15
  6. Step 6: Final answer
    x = 28,313,260.20

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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.