Home / 57,216,227.10-85,824,340.65-21,307,004.70

Finding the Fourth Proportional to 57,216,227.10, 85,824,340.65 and 21,307,004.70

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Solution

The fourth proportional to 57,216,227.10, 85,824,340.65 and 21,307,004.70 is: 31,960,507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,216,227.10 : 85,824,340.65 = 21,307,004.70 : x
  2. Step 2: Convert to fraction form
    57,216,227.10/85,824,340.65 = 21,307,004.70/x
  3. Step 3: Cross multiply
    57,216,227.10x = 85,824,340.65 × 21,307,004.70
  4. Step 4: Simplify right side
    57,216,227.10x = 1,828,659,629,603,951
  5. Step 5: Solve for x
    x = 1,828,659,629,603,951/57,216,227.10
  6. Step 6: Final answer
    x = 31,960,507.05

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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.