Home / 91,862,783.70-137,794,175.55-69,187,967.70

Finding the Fourth Proportional to 91,862,783.70, 137,794,175.55 and 69,187,967.70

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Solution

The fourth proportional to 91,862,783.70, 137,794,175.55 and 69,187,967.70 is: 103,781,951.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,862,783.70 : 137,794,175.55 = 69,187,967.70 : x
  2. Step 2: Convert to fraction form
    91,862,783.70/137,794,175.55 = 69,187,967.70/x
  3. Step 3: Cross multiply
    91,862,783.70x = 137,794,175.55 × 69,187,967.70
  4. Step 4: Simplify right side
    91,862,783.70x = 9,533,698,967,201,530
  5. Step 5: Solve for x
    x = 9,533,698,967,201,530/91,862,783.70
  6. Step 6: Final answer
    x = 103,781,951.55

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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.