Home / 99,798,588.30-149,703,169.19-30,758,811.20

Finding the Fourth Proportional to 99,798,588.30, 149,703,169.19 and 30,758,811.20

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Solution

The fourth proportional to 99,798,588.30, 149,703,169.19 and 30,758,811.20 is: 46,139,846.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,798,588.30 : 149,703,169.19 = 30,758,811.20 : x
  2. Step 2: Convert to fraction form
    99,798,588.30/149,703,169.19 = 30,758,811.20/x
  3. Step 3: Cross multiply
    99,798,588.30x = 149,703,169.19 × 30,758,811.20
  4. Step 4: Simplify right side
    99,798,588.30x = 4,604,691,517,247,721
  5. Step 5: Solve for x
    x = 4,604,691,517,247,721/99,798,588.30
  6. Step 6: Final answer
    x = 46,139,846.22

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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.