Home / 220,195,420.20-330,282,632.70-74,614,703.40

Finding the Fourth Proportional to 220,195,420.20, 330,282,632.70 and 74,614,703.40

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Solution

The fourth proportional to 220,195,420.20, 330,282,632.70 and 74,614,703.40 is: 111,918,497.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,195,420.20 : 330,282,632.70 = 74,614,703.40 : x
  2. Step 2: Convert to fraction form
    220,195,420.20/330,282,632.70 = 74,614,703.40/x
  3. Step 3: Cross multiply
    220,195,420.20x = 330,282,632.70 × 74,614,703.40
  4. Step 4: Simplify right side
    220,195,420.20x = 24,643,940,677,081,644
  5. Step 5: Solve for x
    x = 24,643,940,677,081,644/220,195,420.20
  6. Step 6: Final answer
    x = 111,918,497.92

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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.