Home / 91,999,758.41-138,000,839.64-30,588,917.12

Finding the Fourth Proportional to 91,999,758.41, 138,000,839.64 and 30,588,917.12

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Solution

The fourth proportional to 91,999,758.41, 138,000,839.64 and 30,588,917.12 is: 45,883,775.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,999,758.41 : 138,000,839.64 = 30,588,917.12 : x
  2. Step 2: Convert to fraction form
    91,999,758.41/138,000,839.64 = 30,588,917.12/x
  3. Step 3: Cross multiply
    91,999,758.41x = 138,000,839.64 × 30,588,917.12
  4. Step 4: Simplify right side
    91,999,758.41x = 4,221,296,246,238,370.50
  5. Step 5: Solve for x
    x = 4,221,296,246,238,370.50/91,999,758.41
  6. Step 6: Final answer
    x = 45,883,775.34

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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.