Home / 166,528,931.82-249,936,886.77-115,446,822.90

Finding the Fourth Proportional to 166,528,931.82, 249,936,886.77 and 115,446,822.90

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Solution

The fourth proportional to 166,528,931.82, 249,936,886.77 and 115,446,822.90 is: 173,269,708.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,528,931.82 : 249,936,886.77 = 115,446,822.90 : x
  2. Step 2: Convert to fraction form
    166,528,931.82/249,936,886.77 = 115,446,822.90/x
  3. Step 3: Cross multiply
    166,528,931.82x = 249,936,886.77 × 115,446,822.90
  4. Step 4: Simplify right side
    166,528,931.82x = 28,854,419,503,113,544
  5. Step 5: Solve for x
    x = 28,854,419,503,113,544/166,528,931.82
  6. Step 6: Final answer
    x = 173,269,708.68

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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.