Home / 258,112,306.34-356,195,033.84-140,637,636.66

Finding the Fourth Proportional to 258,112,306.34, 356,195,033.84 and 140,637,636.66

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Solution

The fourth proportional to 258,112,306.34, 356,195,033.84 and 140,637,636.66 is: 194,079,966.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,112,306.34 : 356,195,033.84 = 140,637,636.66 : x
  2. Step 2: Convert to fraction form
    258,112,306.34/356,195,033.84 = 140,637,636.66/x
  3. Step 3: Cross multiply
    258,112,306.34x = 356,195,033.84 × 140,637,636.66
  4. Step 4: Simplify right side
    258,112,306.34x = 50,094,427,749,286,320
  5. Step 5: Solve for x
    x = 50,094,427,749,286,320/258,112,306.34
  6. Step 6: Final answer
    x = 194,079,966.43

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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.