Home / 84,726,920.40-116,916,733.43-47,550,020.61

Finding the Fourth Proportional to 84,726,920.40, 116,916,733.43 and 47,550,020.61

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Solution

The fourth proportional to 84,726,920.40, 116,916,733.43 and 47,550,020.61 is: 65,615,427.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,726,920.40 : 116,916,733.43 = 47,550,020.61 : x
  2. Step 2: Convert to fraction form
    84,726,920.40/116,916,733.43 = 47,550,020.61/x
  3. Step 3: Cross multiply
    84,726,920.40x = 116,916,733.43 × 47,550,020.61
  4. Step 4: Simplify right side
    84,726,920.40x = 5,559,393,084,012,626
  5. Step 5: Solve for x
    x = 5,559,393,084,012,626/84,726,920.40
  6. Step 6: Final answer
    x = 65,615,427.28

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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.