Home / 208,717,801.20-313,076,701.80-132,127,311.60

Finding the Fourth Proportional to 208,717,801.20, 313,076,701.80 and 132,127,311.60

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Solution

The fourth proportional to 208,717,801.20, 313,076,701.80 and 132,127,311.60 is: 198,190,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,717,801.20 : 313,076,701.80 = 132,127,311.60 : x
  2. Step 2: Convert to fraction form
    208,717,801.20/313,076,701.80 = 132,127,311.60/x
  3. Step 3: Cross multiply
    208,717,801.20x = 313,076,701.80 × 132,127,311.60
  4. Step 4: Simplify right side
    208,717,801.20x = 41,365,982,933,428,880
  5. Step 5: Solve for x
    x = 41,365,982,933,428,880/208,717,801.20
  6. Step 6: Final answer
    x = 198,190,967.40

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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.