Home / 125,622,118.10-188,439,082.05-39,363,338.90

Finding the Fourth Proportional to 125,622,118.10, 188,439,082.05 and 39,363,338.90

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Solution

The fourth proportional to 125,622,118.10, 188,439,082.05 and 39,363,338.90 is: 59,046,858.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,622,118.10 : 188,439,082.05 = 39,363,338.90 : x
  2. Step 2: Convert to fraction form
    125,622,118.10/188,439,082.05 = 39,363,338.90/x
  3. Step 3: Cross multiply
    125,622,118.10x = 188,439,082.05 × 39,363,338.90
  4. Step 4: Simplify right side
    125,622,118.10x = 7,417,591,448,739,057
  5. Step 5: Solve for x
    x = 7,417,591,448,739,057/125,622,118.10
  6. Step 6: Final answer
    x = 59,046,858.63

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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.