Home / 110,650,015.20-165,975,022.80-103,091,743.20

Finding the Fourth Proportional to 110,650,015.20, 165,975,022.80 and 103,091,743.20

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Solution

The fourth proportional to 110,650,015.20, 165,975,022.80 and 103,091,743.20 is: 154,637,614.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,650,015.20 : 165,975,022.80 = 103,091,743.20 : x
  2. Step 2: Convert to fraction form
    110,650,015.20/165,975,022.80 = 103,091,743.20/x
  3. Step 3: Cross multiply
    110,650,015.20x = 165,975,022.80 × 103,091,743.20
  4. Step 4: Simplify right side
    110,650,015.20x = 17,110,654,428,111,746
  5. Step 5: Solve for x
    x = 17,110,654,428,111,746/110,650,015.20
  6. Step 6: Final answer
    x = 154,637,614.80

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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.