Home / 49,831,900.20-74,606,132.70-38,400,013.80

Finding the Fourth Proportional to 49,831,900.20, 74,606,132.70 and 38,400,013.80

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Solution

The fourth proportional to 49,831,900.20, 74,606,132.70 and 38,400,013.80 is: 57,490,814.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,831,900.20 : 74,606,132.70 = 38,400,013.80 : x
  2. Step 2: Convert to fraction form
    49,831,900.20/74,606,132.70 = 38,400,013.80/x
  3. Step 3: Cross multiply
    49,831,900.20x = 74,606,132.70 × 38,400,013.80
  4. Step 4: Simplify right side
    49,831,900.20x = 2,864,876,525,244,631
  5. Step 5: Solve for x
    x = 2,864,876,525,244,631/49,831,900.20
  6. Step 6: Final answer
    x = 57,490,814.39

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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.