Home / 218,223,505.71-327,378,380.72-80,050,395.74

Finding the Fourth Proportional to 218,223,505.71, 327,378,380.72 and 80,050,395.74

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Solution

The fourth proportional to 218,223,505.71, 327,378,380.72 and 80,050,395.74 is: 120,091,412.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,223,505.71 : 327,378,380.72 = 80,050,395.74 : x
  2. Step 2: Convert to fraction form
    218,223,505.71/327,378,380.72 = 80,050,395.74/x
  3. Step 3: Cross multiply
    218,223,505.71x = 327,378,380.72 × 80,050,395.74
  4. Step 4: Simplify right side
    218,223,505.71x = 26,206,768,931,319,240
  5. Step 5: Solve for x
    x = 26,206,768,931,319,240/218,223,505.71
  6. Step 6: Final answer
    x = 120,091,412.00

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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.