Home / 91,137,168.18-136,688,333.82-27,311,760.18

Finding the Fourth Proportional to 91,137,168.18, 136,688,333.82 and 27,311,760.18

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Solution

The fourth proportional to 91,137,168.18, 136,688,333.82 and 27,311,760.18 is: 40,962,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,137,168.18 : 136,688,333.82 = 27,311,760.18 : x
  2. Step 2: Convert to fraction form
    91,137,168.18/136,688,333.82 = 27,311,760.18/x
  3. Step 3: Cross multiply
    91,137,168.18x = 136,688,333.82 × 27,311,760.18
  4. Step 4: Simplify right side
    91,137,168.18x = 3,733,198,992,695,623
  5. Step 5: Solve for x
    x = 3,733,198,992,695,623/91,137,168.18
  6. Step 6: Final answer
    x = 40,962,420.35

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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.