Home / 259,788,331.40-358,505,041.26-140,707,961.33

Finding the Fourth Proportional to 259,788,331.40, 358,505,041.26 and 140,707,961.33

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Solution

The fourth proportional to 259,788,331.40, 358,505,041.26 and 140,707,961.33 is: 194,175,439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,788,331.40 : 358,505,041.26 = 140,707,961.33 : x
  2. Step 2: Convert to fraction form
    259,788,331.40/358,505,041.26 = 140,707,961.33/x
  3. Step 3: Cross multiply
    259,788,331.40x = 358,505,041.26 × 140,707,961.33
  4. Step 4: Simplify right side
    259,788,331.40x = 50,444,513,482,222,136
  5. Step 5: Solve for x
    x = 50,444,513,482,222,136/259,788,331.40
  6. Step 6: Final answer
    x = 194,175,439.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.