Home / 102,759,647.28-154,101,067.20-41,328,071.16

Finding the Fourth Proportional to 102,759,647.28, 154,101,067.20 and 41,328,071.16

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Solution

The fourth proportional to 102,759,647.28, 154,101,067.20 and 41,328,071.16 is: 61,976,661.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,759,647.28 : 154,101,067.20 = 41,328,071.16 : x
  2. Step 2: Convert to fraction form
    102,759,647.28/154,101,067.20 = 41,328,071.16/x
  3. Step 3: Cross multiply
    102,759,647.28x = 154,101,067.20 × 41,328,071.16
  4. Step 4: Simplify right side
    102,759,647.28x = 6,368,699,871,073,541
  5. Step 5: Solve for x
    x = 6,368,699,871,073,541/102,759,647.28
  6. Step 6: Final answer
    x = 61,976,661.46

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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.