Home / 220,256,412.71-330,087,002.99-83,867,394.47

Finding the Fourth Proportional to 220,256,412.71, 330,087,002.99 and 83,867,394.47

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Solution

The fourth proportional to 220,256,412.71, 330,087,002.99 and 83,867,394.47 is: 125,687,767.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,256,412.71 : 330,087,002.99 = 83,867,394.47 : x
  2. Step 2: Convert to fraction form
    220,256,412.71/330,087,002.99 = 83,867,394.47/x
  3. Step 3: Cross multiply
    220,256,412.71x = 330,087,002.99 × 83,867,394.47
  4. Step 4: Simplify right side
    220,256,412.71x = 27,683,536,887,112,628
  5. Step 5: Solve for x
    x = 27,683,536,887,112,628/220,256,412.71
  6. Step 6: Final answer
    x = 125,687,767.94

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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.