Home / 224,447,865.32-309,951,972.18-212,220,085.80

Finding the Fourth Proportional to 224,447,865.32, 309,951,972.18 and 212,220,085.80

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Solution

The fourth proportional to 224,447,865.32, 309,951,972.18 and 212,220,085.80 is: 293,065,982.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,447,865.32 : 309,951,972.18 = 212,220,085.80 : x
  2. Step 2: Convert to fraction form
    224,447,865.32/309,951,972.18 = 212,220,085.80/x
  3. Step 3: Cross multiply
    224,447,865.32x = 309,951,972.18 × 212,220,085.80
  4. Step 4: Simplify right side
    224,447,865.32x = 65,778,034,129,918,816
  5. Step 5: Solve for x
    x = 65,778,034,129,918,816/224,447,865.32
  6. Step 6: Final answer
    x = 293,065,982.32

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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.