Home / 113,728,664.20-170,257,073.10-75,433,419.40

Finding the Fourth Proportional to 113,728,664.20, 170,257,073.10 and 75,433,419.40

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Solution

The fourth proportional to 113,728,664.20, 170,257,073.10 and 75,433,419.40 is: 112,927,319.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,728,664.20 : 170,257,073.10 = 75,433,419.40 : x
  2. Step 2: Convert to fraction form
    113,728,664.20/170,257,073.10 = 75,433,419.40/x
  3. Step 3: Cross multiply
    113,728,664.20x = 170,257,073.10 × 75,433,419.40
  4. Step 4: Simplify right side
    113,728,664.20x = 12,843,073,200,968,758
  5. Step 5: Solve for x
    x = 12,843,073,200,968,758/113,728,664.20
  6. Step 6: Final answer
    x = 112,927,319.52

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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.