Home / 84,726,919-116,916,731.48-47,550,019.20

Finding the Fourth Proportional to 84,726,919, 116,916,731.48 and 47,550,019.20

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Solution

The fourth proportional to 84,726,919, 116,916,731.48 and 47,550,019.20 is: 65,615,425.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,726,919 : 116,916,731.48 = 47,550,019.20 : x
  2. Step 2: Convert to fraction form
    84,726,919/116,916,731.48 = 47,550,019.20/x
  3. Step 3: Cross multiply
    84,726,919x = 116,916,731.48 × 47,550,019.20
  4. Step 4: Simplify right side
    84,726,919x = 5,559,392,826,675,245
  5. Step 5: Solve for x
    x = 5,559,392,826,675,245/84,726,919
  6. Step 6: Final answer
    x = 65,615,425.33

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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.