Home / 101,137,420.26-139,569,882.57-54,728,172.18

Finding the Fourth Proportional to 101,137,420.26, 139,569,882.57 and 54,728,172.18

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Solution

The fourth proportional to 101,137,420.26, 139,569,882.57 and 54,728,172.18 is: 75,525,008.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,137,420.26 : 139,569,882.57 = 54,728,172.18 : x
  2. Step 2: Convert to fraction form
    101,137,420.26/139,569,882.57 = 54,728,172.18/x
  3. Step 3: Cross multiply
    101,137,420.26x = 139,569,882.57 × 54,728,172.18
  4. Step 4: Simplify right side
    101,137,420.26x = 7,638,404,564,433,340
  5. Step 5: Solve for x
    x = 7,638,404,564,433,340/101,137,420.26
  6. Step 6: Final answer
    x = 75,525,008.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.