Home / 42,775,552.80-64,163,329.20-31,296,427.20

Finding the Fourth Proportional to 42,775,552.80, 64,163,329.20 and 31,296,427.20

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Solution

The fourth proportional to 42,775,552.80, 64,163,329.20 and 31,296,427.20 is: 46,944,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,775,552.80 : 64,163,329.20 = 31,296,427.20 : x
  2. Step 2: Convert to fraction form
    42,775,552.80/64,163,329.20 = 31,296,427.20/x
  3. Step 3: Cross multiply
    42,775,552.80x = 64,163,329.20 × 31,296,427.20
  4. Step 4: Simplify right side
    42,775,552.80x = 2,008,082,961,217,434.25
  5. Step 5: Solve for x
    x = 2,008,082,961,217,434.25/42,775,552.80
  6. Step 6: Final answer
    x = 46,944,640.80

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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.