Home / 253,396,521.48-380,238,568.56-136,810,324.92

Finding the Fourth Proportional to 253,396,521.48, 380,238,568.56 and 136,810,324.92

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Solution

The fourth proportional to 253,396,521.48, 380,238,568.56 and 136,810,324.92 is: 205,293,118.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,396,521.48 : 380,238,568.56 = 136,810,324.92 : x
  2. Step 2: Convert to fraction form
    253,396,521.48/380,238,568.56 = 136,810,324.92/x
  3. Step 3: Cross multiply
    253,396,521.48x = 380,238,568.56 × 136,810,324.92
  4. Step 4: Simplify right side
    253,396,521.48x = 52,020,562,111,809,288
  5. Step 5: Solve for x
    x = 52,020,562,111,809,288/253,396,521.48
  6. Step 6: Final answer
    x = 205,293,118.50

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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.