Home / 220,466,080.40-330,699,120.60-91,030,672.40

Finding the Fourth Proportional to 220,466,080.40, 330,699,120.60 and 91,030,672.40

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Solution

The fourth proportional to 220,466,080.40, 330,699,120.60 and 91,030,672.40 is: 136,546,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,466,080.40 : 330,699,120.60 = 91,030,672.40 : x
  2. Step 2: Convert to fraction form
    220,466,080.40/330,699,120.60 = 91,030,672.40/x
  3. Step 3: Cross multiply
    220,466,080.40x = 330,699,120.60 × 91,030,672.40
  4. Step 4: Simplify right side
    220,466,080.40x = 30,103,763,310,306,696
  5. Step 5: Solve for x
    x = 30,103,763,310,306,696/220,466,080.40
  6. Step 6: Final answer
    x = 136,546,008.60

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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.