Home / 214,990,801.20-322,486,201.80-117,908,996.40

Finding the Fourth Proportional to 214,990,801.20, 322,486,201.80 and 117,908,996.40

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Solution

The fourth proportional to 214,990,801.20, 322,486,201.80 and 117,908,996.40 is: 176,863,494.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,990,801.20 : 322,486,201.80 = 117,908,996.40 : x
  2. Step 2: Convert to fraction form
    214,990,801.20/322,486,201.80 = 117,908,996.40/x
  3. Step 3: Cross multiply
    214,990,801.20x = 322,486,201.80 × 117,908,996.40
  4. Step 4: Simplify right side
    214,990,801.20x = 38,024,024,407,085,880
  5. Step 5: Solve for x
    x = 38,024,024,407,085,880/214,990,801.20
  6. Step 6: Final answer
    x = 176,863,494.60

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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.