Home / 290,177,253.11-400,444,634.51-158,018,210.12

Finding the Fourth Proportional to 290,177,253.11, 400,444,634.51 and 158,018,210.12

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Solution

The fourth proportional to 290,177,253.11, 400,444,634.51 and 158,018,210.12 is: 218,065,143.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,177,253.11 : 400,444,634.51 = 158,018,210.12 : x
  2. Step 2: Convert to fraction form
    290,177,253.11/400,444,634.51 = 158,018,210.12/x
  3. Step 3: Cross multiply
    290,177,253.11x = 400,444,634.51 × 158,018,210.12
  4. Step 4: Simplify right side
    290,177,253.11x = 63,277,544,394,635,472
  5. Step 5: Solve for x
    x = 63,277,544,394,635,472/290,177,253.11
  6. Step 6: Final answer
    x = 218,065,143.69

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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.