Home / 258,244,822.51-356,374,954.28-140,767,575.11

Finding the Fourth Proportional to 258,244,822.51, 356,374,954.28 and 140,767,575.11

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Solution

The fourth proportional to 258,244,822.51, 356,374,954.28 and 140,767,575.11 is: 194,257,672.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,244,822.51 : 356,374,954.28 = 140,767,575.11 : x
  2. Step 2: Convert to fraction form
    258,244,822.51/356,374,954.28 = 140,767,575.11/x
  3. Step 3: Cross multiply
    258,244,822.51x = 356,374,954.28 × 140,767,575.11
  4. Step 4: Simplify right side
    258,244,822.51x = 50,166,038,143,228,880
  5. Step 5: Solve for x
    x = 50,166,038,143,228,880/258,244,822.51
  6. Step 6: Final answer
    x = 194,257,672.45

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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.