Home / 91,999,757.67-138,000,838.50-30,588,916.38

Finding the Fourth Proportional to 91,999,757.67, 138,000,838.50 and 30,588,916.38

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Solution

The fourth proportional to 91,999,757.67, 138,000,838.50 and 30,588,916.38 is: 45,883,774.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,999,757.67 : 138,000,838.50 = 30,588,916.38 : x
  2. Step 2: Convert to fraction form
    91,999,757.67/138,000,838.50 = 30,588,916.38/x
  3. Step 3: Cross multiply
    91,999,757.67x = 138,000,838.50 × 30,588,916.38
  4. Step 4: Simplify right side
    91,999,757.67x = 4,221,296,109,246,384.50
  5. Step 5: Solve for x
    x = 4,221,296,109,246,384.50/91,999,757.67
  6. Step 6: Final answer
    x = 45,883,774.22

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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.