Home / 124,716,390.80-186,979,221.65-75,521,537.33

Finding the Fourth Proportional to 124,716,390.80, 186,979,221.65 and 75,521,537.33

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Solution

The fourth proportional to 124,716,390.80, 186,979,221.65 and 75,521,537.33 is: 113,224,558.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,716,390.80 : 186,979,221.65 = 75,521,537.33 : x
  2. Step 2: Convert to fraction form
    124,716,390.80/186,979,221.65 = 75,521,537.33/x
  3. Step 3: Cross multiply
    124,716,390.80x = 186,979,221.65 × 75,521,537.33
  4. Step 4: Simplify right side
    124,716,390.80x = 14,120,958,267,028,728
  5. Step 5: Solve for x
    x = 14,120,958,267,028,728/124,716,390.80
  6. Step 6: Final answer
    x = 113,224,558.35

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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.