Home / 212,096,958.30-292,668,087.06-117,988,859.52

Finding the Fourth Proportional to 212,096,958.30, 292,668,087.06 and 117,988,859.52

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Solution

The fourth proportional to 212,096,958.30, 292,668,087.06 and 117,988,859.52 is: 162,810,320.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,096,958.30 : 292,668,087.06 = 117,988,859.52 : x
  2. Step 2: Convert to fraction form
    212,096,958.30/292,668,087.06 = 117,988,859.52/x
  3. Step 3: Cross multiply
    212,096,958.30x = 292,668,087.06 × 117,988,859.52
  4. Step 4: Simplify right side
    212,096,958.30x = 34,531,573,810,109,468
  5. Step 5: Solve for x
    x = 34,531,573,810,109,468/212,096,958.30
  6. Step 6: Final answer
    x = 162,810,320.75

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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.