Home / 112,040,401.80-168,048,161.10-91,810,360.20

Finding the Fourth Proportional to 112,040,401.80, 168,048,161.10 and 91,810,360.20

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Solution

The fourth proportional to 112,040,401.80, 168,048,161.10 and 91,810,360.20 is: 137,705,345.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,040,401.80 : 168,048,161.10 = 91,810,360.20 : x
  2. Step 2: Convert to fraction form
    112,040,401.80/168,048,161.10 = 91,810,360.20/x
  3. Step 3: Cross multiply
    112,040,401.80x = 168,048,161.10 × 91,810,360.20
  4. Step 4: Simplify right side
    112,040,401.80x = 15,428,562,201,538,628
  5. Step 5: Solve for x
    x = 15,428,562,201,538,628/112,040,401.80
  6. Step 6: Final answer
    x = 137,705,345.16

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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.