Home / 166,442,977.20-249,664,465.80-112,023,418.80

Finding the Fourth Proportional to 166,442,977.20, 249,664,465.80 and 112,023,418.80

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Solution

The fourth proportional to 166,442,977.20, 249,664,465.80 and 112,023,418.80 is: 168,035,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,442,977.20 : 249,664,465.80 = 112,023,418.80 : x
  2. Step 2: Convert to fraction form
    166,442,977.20/249,664,465.80 = 112,023,418.80/x
  3. Step 3: Cross multiply
    166,442,977.20x = 249,664,465.80 × 112,023,418.80
  4. Step 4: Simplify right side
    166,442,977.20x = 27,968,267,011,791,676
  5. Step 5: Solve for x
    x = 27,968,267,011,791,676/166,442,977.20
  6. Step 6: Final answer
    x = 168,035,128.20

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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.