Home / 124,418,665.60-186,627,998.40-112,325,430.40

Finding the Fourth Proportional to 124,418,665.60, 186,627,998.40 and 112,325,430.40

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Solution

The fourth proportional to 124,418,665.60, 186,627,998.40 and 112,325,430.40 is: 168,488,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,418,665.60 : 186,627,998.40 = 112,325,430.40 : x
  2. Step 2: Convert to fraction form
    124,418,665.60/186,627,998.40 = 112,325,430.40/x
  3. Step 3: Cross multiply
    124,418,665.60x = 186,627,998.40 × 112,325,430.40
  4. Step 4: Simplify right side
    124,418,665.60x = 20,963,070,244,970,512
  5. Step 5: Solve for x
    x = 20,963,070,244,970,512/124,418,665.60
  6. Step 6: Final answer
    x = 168,488,145.60

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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.