Home / 85,180,887.70-127,771,331.55-27,675,034.90

Finding the Fourth Proportional to 85,180,887.70, 127,771,331.55 and 27,675,034.90

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Solution

The fourth proportional to 85,180,887.70, 127,771,331.55 and 27,675,034.90 is: 41,512,552.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,180,887.70 : 127,771,331.55 = 27,675,034.90 : x
  2. Step 2: Convert to fraction form
    85,180,887.70/127,771,331.55 = 27,675,034.90/x
  3. Step 3: Cross multiply
    85,180,887.70x = 127,771,331.55 × 27,675,034.90
  4. Step 4: Simplify right side
    85,180,887.70x = 3,536,076,059,865,721
  5. Step 5: Solve for x
    x = 3,536,076,059,865,721/85,180,887.70
  6. Step 6: Final answer
    x = 41,512,552.35

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1.5x scale

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.