Home / 83,884,999.36-125,834,640.45-25,605,767.66

Finding the Fourth Proportional to 83,884,999.36, 125,834,640.45 and 25,605,767.66

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Solution

The fourth proportional to 83,884,999.36, 125,834,640.45 and 25,605,767.66 is: 38,410,831.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,884,999.36 : 125,834,640.45 = 25,605,767.66 : x
  2. Step 2: Convert to fraction form
    83,884,999.36/125,834,640.45 = 25,605,767.66/x
  3. Step 3: Cross multiply
    83,884,999.36x = 125,834,640.45 × 25,605,767.66
  4. Step 4: Simplify right side
    83,884,999.36x = 3,222,092,566,217,143.50
  5. Step 5: Solve for x
    x = 3,222,092,566,217,143.50/83,884,999.36
  6. Step 6: Final answer
    x = 38,410,831.39

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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.