Home / 85,544,935.70-128,266,160.11-27,227,423.61

Finding the Fourth Proportional to 85,544,935.70, 128,266,160.11 and 27,227,423.61

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Solution

The fourth proportional to 85,544,935.70, 128,266,160.11 and 27,227,423.61 is: 40,824,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,544,935.70 : 128,266,160.11 = 27,227,423.61 : x
  2. Step 2: Convert to fraction form
    85,544,935.70/128,266,160.11 = 27,227,423.61/x
  3. Step 3: Cross multiply
    85,544,935.70x = 128,266,160.11 × 27,227,423.61
  4. Step 4: Simplify right side
    85,544,935.70x = 3,492,357,076,658,086.50
  5. Step 5: Solve for x
    x = 3,492,357,076,658,086.50/85,544,935.70
  6. Step 6: Final answer
    x = 40,824,825.55

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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.