Home / 83,448,268.40-125,172,402.60-53,215,180.40

Finding the Fourth Proportional to 83,448,268.40, 125,172,402.60 and 53,215,180.40

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Solution

The fourth proportional to 83,448,268.40, 125,172,402.60 and 53,215,180.40 is: 79,822,770.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,448,268.40 : 125,172,402.60 = 53,215,180.40 : x
  2. Step 2: Convert to fraction form
    83,448,268.40/125,172,402.60 = 53,215,180.40/x
  3. Step 3: Cross multiply
    83,448,268.40x = 125,172,402.60 × 53,215,180.40
  4. Step 4: Simplify right side
    83,448,268.40x = 6,661,071,985,460,429
  5. Step 5: Solve for x
    x = 6,661,071,985,460,429/83,448,268.40
  6. Step 6: Final answer
    x = 79,822,770.60

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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.