Home / 45,402,278.20-68,103,417.30-30,206,937.40

Finding the Fourth Proportional to 45,402,278.20, 68,103,417.30 and 30,206,937.40

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Solution

The fourth proportional to 45,402,278.20, 68,103,417.30 and 30,206,937.40 is: 45,310,406.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,402,278.20 : 68,103,417.30 = 30,206,937.40 : x
  2. Step 2: Convert to fraction form
    45,402,278.20/68,103,417.30 = 30,206,937.40/x
  3. Step 3: Cross multiply
    45,402,278.20x = 68,103,417.30 × 30,206,937.40
  4. Step 4: Simplify right side
    45,402,278.20x = 2,057,195,663,107,176.75
  5. Step 5: Solve for x
    x = 2,057,195,663,107,176.75/45,402,278.20
  6. Step 6: Final answer
    x = 45,310,406.10

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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.