Home / 166,442,981.70-249,664,472.55-112,023,423.30

Finding the Fourth Proportional to 166,442,981.70, 249,664,472.55 and 112,023,423.30

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Solution

The fourth proportional to 166,442,981.70, 249,664,472.55 and 112,023,423.30 is: 168,035,134.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,442,981.70 : 249,664,472.55 = 112,023,423.30 : x
  2. Step 2: Convert to fraction form
    166,442,981.70/249,664,472.55 = 112,023,423.30/x
  3. Step 3: Cross multiply
    166,442,981.70x = 249,664,472.55 × 112,023,423.30
  4. Step 4: Simplify right side
    166,442,981.70x = 27,968,268,891,439,880
  5. Step 5: Solve for x
    x = 27,968,268,891,439,880/166,442,981.70
  6. Step 6: Final answer
    x = 168,035,134.95

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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.