Home / 85,544,936.48-128,266,161.27-27,227,424.39

Finding the Fourth Proportional to 85,544,936.48, 128,266,161.27 and 27,227,424.39

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Solution

The fourth proportional to 85,544,936.48, 128,266,161.27 and 27,227,424.39 is: 40,824,826.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,544,936.48 : 128,266,161.27 = 27,227,424.39 : x
  2. Step 2: Convert to fraction form
    85,544,936.48/128,266,161.27 = 27,227,424.39/x
  3. Step 3: Cross multiply
    85,544,936.48x = 128,266,161.27 × 27,227,424.39
  4. Step 4: Simplify right side
    85,544,936.48x = 3,492,357,207,638,334.50
  5. Step 5: Solve for x
    x = 3,492,357,207,638,334.50/85,544,936.48
  6. Step 6: Final answer
    x = 40,824,826.71

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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.