Home / 166,503,498.90-249,654,112.35-83,408,614.11

Finding the Fourth Proportional to 166,503,498.90, 249,654,112.35 and 83,408,614.11

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Solution

The fourth proportional to 166,503,498.90, 249,654,112.35 and 83,408,614.11 is: 125,062,257.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,503,498.90 : 249,654,112.35 = 83,408,614.11 : x
  2. Step 2: Convert to fraction form
    166,503,498.90/249,654,112.35 = 83,408,614.11/x
  3. Step 3: Cross multiply
    166,503,498.90x = 249,654,112.35 × 83,408,614.11
  4. Step 4: Simplify right side
    166,503,498.90x = 20,823,303,517,975,736
  5. Step 5: Solve for x
    x = 20,823,303,517,975,736/166,503,498.90
  6. Step 6: Final answer
    x = 125,062,257.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.