Home / 290,177,253.36-400,444,634.84-158,018,210.37

Finding the Fourth Proportional to 290,177,253.36, 400,444,634.84 and 158,018,210.37

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Solution

The fourth proportional to 290,177,253.36, 400,444,634.84 and 158,018,210.37 is: 218,065,144.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,177,253.36 : 400,444,634.84 = 158,018,210.37 : x
  2. Step 2: Convert to fraction form
    290,177,253.36/400,444,634.84 = 158,018,210.37/x
  3. Step 3: Cross multiply
    290,177,253.36x = 400,444,634.84 × 158,018,210.37
  4. Step 4: Simplify right side
    290,177,253.36x = 63,277,544,549,684,952
  5. Step 5: Solve for x
    x = 63,277,544,549,684,952/290,177,253.36
  6. Step 6: Final answer
    x = 218,065,144.04

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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.