Home / 210,326,046.75-290,244,597.30-117,507,251.70

Finding the Fourth Proportional to 210,326,046.75, 290,244,597.30 and 117,507,251.70

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Solution

The fourth proportional to 210,326,046.75, 290,244,597.30 and 117,507,251.70 is: 162,157,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,326,046.75 : 290,244,597.30 = 117,507,251.70 : x
  2. Step 2: Convert to fraction form
    210,326,046.75/290,244,597.30 = 117,507,251.70/x
  3. Step 3: Cross multiply
    210,326,046.75x = 290,244,597.30 × 117,507,251.70
  4. Step 4: Simplify right side
    210,326,046.75x = 34,105,844,949,496,244
  5. Step 5: Solve for x
    x = 34,105,844,949,496,244/210,326,046.75
  6. Step 6: Final answer
    x = 162,157,019.91

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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.