Home / 91,384,617.40-137,300,874.90-68,709,801.40

Finding the Fourth Proportional to 91,384,617.40, 137,300,874.90 and 68,709,801.40

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Solution

The fourth proportional to 91,384,617.40, 137,300,874.90 and 68,709,801.40 is: 103,233,083.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,384,617.40 : 137,300,874.90 = 68,709,801.40 : x
  2. Step 2: Convert to fraction form
    91,384,617.40/137,300,874.90 = 68,709,801.40/x
  3. Step 3: Cross multiply
    91,384,617.40x = 137,300,874.90 × 68,709,801.40
  4. Step 4: Simplify right side
    91,384,617.40x = 9,433,915,846,425,246
  5. Step 5: Solve for x
    x = 9,433,915,846,425,246/91,384,617.40
  6. Step 6: Final answer
    x = 103,233,083.58

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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.