Home / 220,396,470.81-330,642,535.91-67,038,541.44

Finding the Fourth Proportional to 220,396,470.81, 330,642,535.91 and 67,038,541.44

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Solution

The fourth proportional to 220,396,470.81, 330,642,535.91 and 67,038,541.44 is: 100,572,360.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,396,470.81 : 330,642,535.91 = 67,038,541.44 : x
  2. Step 2: Convert to fraction form
    220,396,470.81/330,642,535.91 = 67,038,541.44/x
  3. Step 3: Cross multiply
    220,396,470.81x = 330,642,535.91 × 67,038,541.44
  4. Step 4: Simplify right side
    220,396,470.81x = 22,165,793,345,094,028
  5. Step 5: Solve for x
    x = 22,165,793,345,094,028/220,396,470.81
  6. Step 6: Final answer
    x = 100,572,360.64

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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.