Home / 45,508,712.10-68,263,068.15-30,203,211.30

Finding the Fourth Proportional to 45,508,712.10, 68,263,068.15 and 30,203,211.30

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Solution

The fourth proportional to 45,508,712.10, 68,263,068.15 and 30,203,211.30 is: 45,304,816.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,508,712.10 : 68,263,068.15 = 30,203,211.30 : x
  2. Step 2: Convert to fraction form
    45,508,712.10/68,263,068.15 = 30,203,211.30/x
  3. Step 3: Cross multiply
    45,508,712.10x = 68,263,068.15 × 30,203,211.30
  4. Step 4: Simplify right side
    45,508,712.10x = 2,061,763,871,320,750.25
  5. Step 5: Solve for x
    x = 2,061,763,871,320,750.25/45,508,712.10
  6. Step 6: Final answer
    x = 45,304,816.95

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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.