Home / 91,083,370.77-136,406,131.97-52,103,649.65

Finding the Fourth Proportional to 91,083,370.77, 136,406,131.97 and 52,103,649.65

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Solution

The fourth proportional to 91,083,370.77, 136,406,131.97 and 52,103,649.65 is: 78,030,240.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,083,370.77 : 136,406,131.97 = 52,103,649.65 : x
  2. Step 2: Convert to fraction form
    91,083,370.77/136,406,131.97 = 52,103,649.65/x
  3. Step 3: Cross multiply
    91,083,370.77x = 136,406,131.97 × 52,103,649.65
  4. Step 4: Simplify right side
    91,083,370.77x = 7,107,257,309,333,996
  5. Step 5: Solve for x
    x = 7,107,257,309,333,996/91,083,370.77
  6. Step 6: Final answer
    x = 78,030,240.31

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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.