Home / 110,290,135.40-165,435,203.10-103,487,690.60

Finding the Fourth Proportional to 110,290,135.40, 165,435,203.10 and 103,487,690.60

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Solution

The fourth proportional to 110,290,135.40, 165,435,203.10 and 103,487,690.60 is: 155,231,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,290,135.40 : 165,435,203.10 = 103,487,690.60 : x
  2. Step 2: Convert to fraction form
    110,290,135.40/165,435,203.10 = 103,487,690.60/x
  3. Step 3: Cross multiply
    110,290,135.40x = 165,435,203.10 × 103,487,690.60
  4. Step 4: Simplify right side
    110,290,135.40x = 17,120,507,112,760,960
  5. Step 5: Solve for x
    x = 17,120,507,112,760,960/110,290,135.40
  6. Step 6: Final answer
    x = 155,231,535.90

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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.