Home / 166,386,974.12-229,607,126.28-91,032,932.31

Finding the Fourth Proportional to 166,386,974.12, 229,607,126.28 and 91,032,932.31

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Solution

The fourth proportional to 166,386,974.12, 229,607,126.28 and 91,032,932.31 is: 125,621,672.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,386,974.12 : 229,607,126.28 = 91,032,932.31 : x
  2. Step 2: Convert to fraction form
    166,386,974.12/229,607,126.28 = 91,032,932.31/x
  3. Step 3: Cross multiply
    166,386,974.12x = 229,607,126.28 × 91,032,932.31
  4. Step 4: Simplify right side
    166,386,974.12x = 20,901,809,984,971,376
  5. Step 5: Solve for x
    x = 20,901,809,984,971,376/166,386,974.12
  6. Step 6: Final answer
    x = 125,621,672.58

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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.