Home / 85,544,932.94-128,266,155.97-27,227,420.86

Finding the Fourth Proportional to 85,544,932.94, 128,266,155.97 and 27,227,420.86

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Solution

The fourth proportional to 85,544,932.94, 128,266,155.97 and 27,227,420.86 is: 40,824,821.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,544,932.94 : 128,266,155.97 = 27,227,420.86 : x
  2. Step 2: Convert to fraction form
    85,544,932.94/128,266,155.97 = 27,227,420.86/x
  3. Step 3: Cross multiply
    85,544,932.94x = 128,266,155.97 × 27,227,420.86
  4. Step 4: Simplify right side
    85,544,932.94x = 3,492,356,610,689,591.50
  5. Step 5: Solve for x
    x = 3,492,356,610,689,591.50/85,544,932.94
  6. Step 6: Final answer
    x = 40,824,821.42

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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.