Home / 166,151,943.90-229,286,323.35-100,982,843.10

Finding the Fourth Proportional to 166,151,943.90, 229,286,323.35 and 100,982,843.10

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Solution

The fourth proportional to 166,151,943.90, 229,286,323.35 and 100,982,843.10 is: 139,354,281.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,151,943.90 : 229,286,323.35 = 100,982,843.10 : x
  2. Step 2: Convert to fraction form
    166,151,943.90/229,286,323.35 = 100,982,843.10/x
  3. Step 3: Cross multiply
    166,151,943.90x = 229,286,323.35 × 100,982,843.10
  4. Step 4: Simplify right side
    166,151,943.90x = 23,153,984,815,828,916
  5. Step 5: Solve for x
    x = 23,153,984,815,828,916/166,151,943.90
  6. Step 6: Final answer
    x = 139,354,281.82

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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.