Home / 115,854,253.80-159,726,735.69-83,603,642.97

Finding the Fourth Proportional to 115,854,253.80, 159,726,735.69 and 83,603,642.97

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Solution

The fourth proportional to 115,854,253.80, 159,726,735.69 and 83,603,642.97 is: 115,263,242.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,854,253.80 : 159,726,735.69 = 83,603,642.97 : x
  2. Step 2: Convert to fraction form
    115,854,253.80/159,726,735.69 = 83,603,642.97/x
  3. Step 3: Cross multiply
    115,854,253.80x = 159,726,735.69 × 83,603,642.97
  4. Step 4: Simplify right side
    115,854,253.80x = 13,353,736,984,146,464
  5. Step 5: Solve for x
    x = 13,353,736,984,146,464/115,854,253.80
  6. Step 6: Final answer
    x = 115,263,242.79

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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.