Home / 109,036,276.20-163,554,414.30-72,756,570.60

Finding the Fourth Proportional to 109,036,276.20, 163,554,414.30 and 72,756,570.60

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Solution

The fourth proportional to 109,036,276.20, 163,554,414.30 and 72,756,570.60 is: 109,134,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,036,276.20 : 163,554,414.30 = 72,756,570.60 : x
  2. Step 2: Convert to fraction form
    109,036,276.20/163,554,414.30 = 72,756,570.60/x
  3. Step 3: Cross multiply
    109,036,276.20x = 163,554,414.30 × 72,756,570.60
  4. Step 4: Simplify right side
    109,036,276.20x = 11,899,658,290,959,600
  5. Step 5: Solve for x
    x = 11,899,658,290,959,600/109,036,276.20
  6. Step 6: Final answer
    x = 109,134,855.90

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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.