Home / 91,999,758.92-138,000,840.38-30,588,917.63

Finding the Fourth Proportional to 91,999,758.92, 138,000,840.38 and 30,588,917.63

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Solution

The fourth proportional to 91,999,758.92, 138,000,840.38 and 30,588,917.63 is: 45,883,776.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,999,758.92 : 138,000,840.38 = 30,588,917.63 : x
  2. Step 2: Convert to fraction form
    91,999,758.92/138,000,840.38 = 30,588,917.63/x
  3. Step 3: Cross multiply
    91,999,758.92x = 138,000,840.38 × 30,588,917.63
  4. Step 4: Simplify right side
    91,999,758.92x = 4,221,296,338,411,649
  5. Step 5: Solve for x
    x = 4,221,296,338,411,649/91,999,758.92
  6. Step 6: Final answer
    x = 45,883,776.09

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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.