Home / 125,622,216.10-188,439,229.05-39,363,436.90

Finding the Fourth Proportional to 125,622,216.10, 188,439,229.05 and 39,363,436.90

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Solution

The fourth proportional to 125,622,216.10, 188,439,229.05 and 39,363,436.90 is: 59,047,005.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,622,216.10 : 188,439,229.05 = 39,363,436.90 : x
  2. Step 2: Convert to fraction form
    125,622,216.10/188,439,229.05 = 39,363,436.90/x
  3. Step 3: Cross multiply
    125,622,216.10x = 188,439,229.05 × 39,363,436.90
  4. Step 4: Simplify right side
    125,622,216.10x = 7,417,615,702,194,322
  5. Step 5: Solve for x
    x = 7,417,615,702,194,322/125,622,216.10
  6. Step 6: Final answer
    x = 59,047,005.64

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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.