Home / 85,544,936.43-128,266,161.20-27,227,424.35

Finding the Fourth Proportional to 85,544,936.43, 128,266,161.20 and 27,227,424.35

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Solution

The fourth proportional to 85,544,936.43, 128,266,161.20 and 27,227,424.35 is: 40,824,826.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,544,936.43 : 128,266,161.20 = 27,227,424.35 : x
  2. Step 2: Convert to fraction form
    85,544,936.43/128,266,161.20 = 27,227,424.35/x
  3. Step 3: Cross multiply
    85,544,936.43x = 128,266,161.20 × 27,227,424.35
  4. Step 4: Simplify right side
    85,544,936.43x = 3,492,357,199,960,437
  5. Step 5: Solve for x
    x = 3,492,357,199,960,437/85,544,936.43
  6. Step 6: Final answer
    x = 40,824,826.64

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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.