Home / 166,503,538.94-249,654,172.64-83,408,654.36

Finding the Fourth Proportional to 166,503,538.94, 249,654,172.64 and 83,408,654.36

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Solution

The fourth proportional to 166,503,538.94, 249,654,172.64 and 83,408,654.36 is: 125,062,318.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,503,538.94 : 249,654,172.64 = 83,408,654.36 : x
  2. Step 2: Convert to fraction form
    166,503,538.94/249,654,172.64 = 83,408,654.36/x
  3. Step 3: Cross multiply
    166,503,538.94x = 249,654,172.64 × 83,408,654.36
  4. Step 4: Simplify right side
    166,503,538.94x = 20,823,318,595,261,528
  5. Step 5: Solve for x
    x = 20,823,318,595,261,528/166,503,538.94
  6. Step 6: Final answer
    x = 125,062,318.36

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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.