Home / 110,640,639.60-165,960,959.40-83,766,783.60

Finding the Fourth Proportional to 110,640,639.60, 165,960,959.40 and 83,766,783.60

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Solution

The fourth proportional to 110,640,639.60, 165,960,959.40 and 83,766,783.60 is: 125,650,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,640,639.60 : 165,960,959.40 = 83,766,783.60 : x
  2. Step 2: Convert to fraction form
    110,640,639.60/165,960,959.40 = 83,766,783.60/x
  3. Step 3: Cross multiply
    110,640,639.60x = 165,960,959.40 × 83,766,783.60
  4. Step 4: Simplify right side
    110,640,639.60x = 13,902,015,772,108,186
  5. Step 5: Solve for x
    x = 13,902,015,772,108,186/110,640,639.60
  6. Step 6: Final answer
    x = 125,650,175.40

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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.