Home / 258,170,603.74-356,265,039.29-140,693,411.63

Finding the Fourth Proportional to 258,170,603.74, 356,265,039.29 and 140,693,411.63

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Solution

The fourth proportional to 258,170,603.74, 356,265,039.29 and 140,693,411.63 is: 194,151,243.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,170,603.74 : 356,265,039.29 = 140,693,411.63 : x
  2. Step 2: Convert to fraction form
    258,170,603.74/356,265,039.29 = 140,693,411.63/x
  3. Step 3: Cross multiply
    258,170,603.74x = 356,265,039.29 × 140,693,411.63
  4. Step 4: Simplify right side
    258,170,603.74x = 50,124,143,822,393,288
  5. Step 5: Solve for x
    x = 50,124,143,822,393,288/258,170,603.74
  6. Step 6: Final answer
    x = 194,151,243.78

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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.