Home / 206,686,708.80-310,030,063.20-141,213,177.60

Finding the Fourth Proportional to 206,686,708.80, 310,030,063.20 and 141,213,177.60

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Solution

The fourth proportional to 206,686,708.80, 310,030,063.20 and 141,213,177.60 is: 211,819,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,686,708.80 : 310,030,063.20 = 141,213,177.60 : x
  2. Step 2: Convert to fraction form
    206,686,708.80/310,030,063.20 = 141,213,177.60/x
  3. Step 3: Cross multiply
    206,686,708.80x = 310,030,063.20 × 141,213,177.60
  4. Step 4: Simplify right side
    206,686,708.80x = 43,780,330,376,000,824
  5. Step 5: Solve for x
    x = 43,780,330,376,000,824/206,686,708.80
  6. Step 6: Final answer
    x = 211,819,766.40

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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.