Home / 166,018,936.20-249,065,729.10-97,826,526.60

Finding the Fourth Proportional to 166,018,936.20, 249,065,729.10 and 97,826,526.60

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Solution

The fourth proportional to 166,018,936.20, 249,065,729.10 and 97,826,526.60 is: 146,761,783.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,018,936.20 : 249,065,729.10 = 97,826,526.60 : x
  2. Step 2: Convert to fraction form
    166,018,936.20/249,065,729.10 = 97,826,526.60/x
  3. Step 3: Cross multiply
    166,018,936.20x = 249,065,729.10 × 97,826,526.60
  4. Step 4: Simplify right side
    166,018,936.20x = 24,365,235,172,949,540
  5. Step 5: Solve for x
    x = 24,365,235,172,949,540/166,018,936.20
  6. Step 6: Final answer
    x = 146,761,783.51

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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.