Home / 166,672,500.52-249,807,196.84-85,849,378.60

Finding the Fourth Proportional to 166,672,500.52, 249,807,196.84 and 85,849,378.60

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Solution

The fourth proportional to 166,672,500.52, 249,807,196.84 and 85,849,378.60 is: 128,670,251.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,672,500.52 : 249,807,196.84 = 85,849,378.60 : x
  2. Step 2: Convert to fraction form
    166,672,500.52/249,807,196.84 = 85,849,378.60/x
  3. Step 3: Cross multiply
    166,672,500.52x = 249,807,196.84 × 85,849,378.60
  4. Step 4: Simplify right side
    166,672,500.52x = 21,445,792,618,521,884
  5. Step 5: Solve for x
    x = 21,445,792,618,521,884/166,672,500.52
  6. Step 6: Final answer
    x = 128,670,251.85

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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.