Home / 107,778,801.20-161,668,201.80-83,592,330.80

Finding the Fourth Proportional to 107,778,801.20, 161,668,201.80 and 83,592,330.80

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Solution

The fourth proportional to 107,778,801.20, 161,668,201.80 and 83,592,330.80 is: 125,388,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,778,801.20 : 161,668,201.80 = 83,592,330.80 : x
  2. Step 2: Convert to fraction form
    107,778,801.20/161,668,201.80 = 83,592,330.80/x
  3. Step 3: Cross multiply
    107,778,801.20x = 161,668,201.80 × 83,592,330.80
  4. Step 4: Simplify right side
    107,778,801.20x = 13,514,221,804,706,756
  5. Step 5: Solve for x
    x = 13,514,221,804,706,756/107,778,801.20
  6. Step 6: Final answer
    x = 125,388,496.20

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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.