Home / 166,018,920.20-249,065,705.10-97,826,510.60

Finding the Fourth Proportional to 166,018,920.20, 249,065,705.10 and 97,826,510.60

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Solution

The fourth proportional to 166,018,920.20, 249,065,705.10 and 97,826,510.60 is: 146,761,759.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,018,920.20 : 249,065,705.10 = 97,826,510.60 : x
  2. Step 2: Convert to fraction form
    166,018,920.20/249,065,705.10 = 97,826,510.60/x
  3. Step 3: Cross multiply
    166,018,920.20x = 249,065,705.10 × 97,826,510.60
  4. Step 4: Simplify right side
    166,018,920.20x = 24,365,228,840,061,620
  5. Step 5: Solve for x
    x = 24,365,228,840,061,620/166,018,920.20
  6. Step 6: Final answer
    x = 146,761,759.51

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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.