Home / 65,555,047.56-90,465,650.16-36,186,123.18

Finding the Fourth Proportional to 65,555,047.56, 90,465,650.16 and 36,186,123.18

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Solution

The fourth proportional to 65,555,047.56, 90,465,650.16 and 36,186,123.18 is: 49,936,675.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,555,047.56 : 90,465,650.16 = 36,186,123.18 : x
  2. Step 2: Convert to fraction form
    65,555,047.56/90,465,650.16 = 36,186,123.18/x
  3. Step 3: Cross multiply
    65,555,047.56x = 90,465,650.16 × 36,186,123.18
  4. Step 4: Simplify right side
    65,555,047.56x = 3,273,601,160,248,546.50
  5. Step 5: Solve for x
    x = 3,273,601,160,248,546.50/65,555,047.56
  6. Step 6: Final answer
    x = 49,936,675.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.