Home / 91,380,578.80-137,071,334.76-30,796,829.68

Finding the Fourth Proportional to 91,380,578.80, 137,071,334.76 and 30,796,829.68

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Solution

The fourth proportional to 91,380,578.80, 137,071,334.76 and 30,796,829.68 is: 46,195,401.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,380,578.80 : 137,071,334.76 = 30,796,829.68 : x
  2. Step 2: Convert to fraction form
    91,380,578.80/137,071,334.76 = 30,796,829.68/x
  3. Step 3: Cross multiply
    91,380,578.80x = 137,071,334.76 × 30,796,829.68
  4. Step 4: Simplify right side
    91,380,578.80x = 4,221,362,550,613,983.50
  5. Step 5: Solve for x
    x = 4,221,362,550,613,983.50/91,380,578.80
  6. Step 6: Final answer
    x = 46,195,401.76

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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.