Home / 125,412,326.88-188,142,716.24-47,683,187.24

Finding the Fourth Proportional to 125,412,326.88, 188,142,716.24 and 47,683,187.24

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Solution

The fourth proportional to 125,412,326.88, 188,142,716.24 and 47,683,187.24 is: 71,533,991.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,412,326.88 : 188,142,716.24 = 47,683,187.24 : x
  2. Step 2: Convert to fraction form
    125,412,326.88/188,142,716.24 = 47,683,187.24/x
  3. Step 3: Cross multiply
    125,412,326.88x = 188,142,716.24 × 47,683,187.24
  4. Step 4: Simplify right side
    125,412,326.88x = 8,971,244,366,314,110
  5. Step 5: Solve for x
    x = 8,971,244,366,314,110/125,412,326.88
  6. Step 6: Final answer
    x = 71,533,991.83

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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.