Home / 80,476,400.61-111,060,112.03-45,200,412.52

Finding the Fourth Proportional to 80,476,400.61, 111,060,112.03 and 45,200,412.52

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Solution

The fourth proportional to 80,476,400.61, 111,060,112.03 and 45,200,412.52 is: 62,378,074.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,476,400.61 : 111,060,112.03 = 45,200,412.52 : x
  2. Step 2: Convert to fraction form
    80,476,400.61/111,060,112.03 = 45,200,412.52/x
  3. Step 3: Cross multiply
    80,476,400.61x = 111,060,112.03 × 45,200,412.52
  4. Step 4: Simplify right side
    80,476,400.61x = 5,019,962,877,882,763
  5. Step 5: Solve for x
    x = 5,019,962,877,882,763/80,476,400.61
  6. Step 6: Final answer
    x = 62,378,074.07

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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.