Home / 290,177,268.10-400,444,655.06-158,018,224.98

Finding the Fourth Proportional to 290,177,268.10, 400,444,655.06 and 158,018,224.98

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Solution

The fourth proportional to 290,177,268.10, 400,444,655.06 and 158,018,224.98 is: 218,065,164.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,177,268.10 : 400,444,655.06 = 158,018,224.98 : x
  2. Step 2: Convert to fraction form
    290,177,268.10/400,444,655.06 = 158,018,224.98/x
  3. Step 3: Cross multiply
    290,177,268.10x = 400,444,655.06 × 158,018,224.98
  4. Step 4: Simplify right side
    290,177,268.10x = 63,277,553,595,309,568
  5. Step 5: Solve for x
    x = 63,277,553,595,309,568/290,177,268.10
  6. Step 6: Final answer
    x = 218,065,164.13

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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.