Home / 83,975,433.60-115,622,370.43-71,391,727.20

Finding the Fourth Proportional to 83,975,433.60, 115,622,370.43 and 71,391,727.20

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Solution

The fourth proportional to 83,975,433.60, 115,622,370.43 and 71,391,727.20 is: 98,296,375.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,975,433.60 : 115,622,370.43 = 71,391,727.20 : x
  2. Step 2: Convert to fraction form
    83,975,433.60/115,622,370.43 = 71,391,727.20/x
  3. Step 3: Cross multiply
    83,975,433.60x = 115,622,370.43 × 71,391,727.20
  4. Step 4: Simplify right side
    83,975,433.60x = 8,254,480,727,955,908
  5. Step 5: Solve for x
    x = 8,254,480,727,955,908/83,975,433.60
  6. Step 6: Final answer
    x = 98,296,375.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.