Home / 147,361,740.75-203,359,834.46-80,382,158.52

Finding the Fourth Proportional to 147,361,740.75, 203,359,834.46 and 80,382,158.52

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Solution

The fourth proportional to 147,361,740.75, 203,359,834.46 and 80,382,158.52 is: 110,927,723.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,361,740.75 : 203,359,834.46 = 80,382,158.52 : x
  2. Step 2: Convert to fraction form
    147,361,740.75/203,359,834.46 = 80,382,158.52/x
  3. Step 3: Cross multiply
    147,361,740.75x = 203,359,834.46 × 80,382,158.52
  4. Step 4: Simplify right side
    147,361,740.75x = 16,346,502,448,745,970
  5. Step 5: Solve for x
    x = 16,346,502,448,745,970/147,361,740.75
  6. Step 6: Final answer
    x = 110,927,723.61

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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.