Home / 89,186,670.20-133,747,877.46-30,878,517.28

Finding the Fourth Proportional to 89,186,670.20, 133,747,877.46 and 30,878,517.28

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Solution

The fourth proportional to 89,186,670.20, 133,747,877.46 and 30,878,517.28 is: 46,306,652.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,186,670.20 : 133,747,877.46 = 30,878,517.28 : x
  2. Step 2: Convert to fraction form
    89,186,670.20/133,747,877.46 = 30,878,517.28/x
  3. Step 3: Cross multiply
    89,186,670.20x = 133,747,877.46 × 30,878,517.28
  4. Step 4: Simplify right side
    89,186,670.20x = 4,129,936,145,311,932.50
  5. Step 5: Solve for x
    x = 4,129,936,145,311,932.50/89,186,670.20
  6. Step 6: Final answer
    x = 46,306,652.51

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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.