Home / 52,073,107.20-78,109,660.80-14,250,643.20

Finding the Fourth Proportional to 52,073,107.20, 78,109,660.80 and 14,250,643.20

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Solution

The fourth proportional to 52,073,107.20, 78,109,660.80 and 14,250,643.20 is: 21,375,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,073,107.20 : 78,109,660.80 = 14,250,643.20 : x
  2. Step 2: Convert to fraction form
    52,073,107.20/78,109,660.80 = 14,250,643.20/x
  3. Step 3: Cross multiply
    52,073,107.20x = 78,109,660.80 × 14,250,643.20
  4. Step 4: Simplify right side
    52,073,107.20x = 1,113,112,906,533,826.50
  5. Step 5: Solve for x
    x = 1,113,112,906,533,826.50/52,073,107.20
  6. Step 6: Final answer
    x = 21,375,964.80

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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.