Home / 211,336,430.24-291,658,067.76-122,032,141.76

Finding the Fourth Proportional to 211,336,430.24, 291,658,067.76 and 122,032,141.76

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Solution

The fourth proportional to 211,336,430.24, 291,658,067.76 and 122,032,141.76 is: 168,412,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,336,430.24 : 291,658,067.76 = 122,032,141.76 : x
  2. Step 2: Convert to fraction form
    211,336,430.24/291,658,067.76 = 122,032,141.76/x
  3. Step 3: Cross multiply
    211,336,430.24x = 291,658,067.76 × 122,032,141.76
  4. Step 4: Simplify right side
    211,336,430.24x = 35,591,658,670,336,008
  5. Step 5: Solve for x
    x = 35,591,658,670,336,008/211,336,430.24
  6. Step 6: Final answer
    x = 168,412,320.72

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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.