Home / 91,590,684.97-137,273,471.21-42,339,918.36

Finding the Fourth Proportional to 91,590,684.97, 137,273,471.21 and 42,339,918.36

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Solution

The fourth proportional to 91,590,684.97, 137,273,471.21 and 42,339,918.36 is: 63,457,845.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,590,684.97 : 137,273,471.21 = 42,339,918.36 : x
  2. Step 2: Convert to fraction form
    91,590,684.97/137,273,471.21 = 42,339,918.36/x
  3. Step 3: Cross multiply
    91,590,684.97x = 137,273,471.21 × 42,339,918.36
  4. Step 4: Simplify right side
    91,590,684.97x = 5,812,147,564,025,211
  5. Step 5: Solve for x
    x = 5,812,147,564,025,211/91,590,684.97
  6. Step 6: Final answer
    x = 63,457,845.81

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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.