Home / 253,396,521.99-380,238,569.31-136,810,325.43

Finding the Fourth Proportional to 253,396,521.99, 380,238,569.31 and 136,810,325.43

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Solution

The fourth proportional to 253,396,521.99, 380,238,569.31 and 136,810,325.43 is: 205,293,119.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,396,521.99 : 380,238,569.31 = 136,810,325.43 : x
  2. Step 2: Convert to fraction form
    253,396,521.99/380,238,569.31 = 136,810,325.43/x
  3. Step 3: Cross multiply
    253,396,521.99x = 380,238,569.31 × 136,810,325.43
  4. Step 4: Simplify right side
    253,396,521.99x = 52,020,562,408,338,712
  5. Step 5: Solve for x
    x = 52,020,562,408,338,712/253,396,521.99
  6. Step 6: Final answer
    x = 205,293,119.26

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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.