Home / 166,239,968.40-249,383,572.20-51,212,516.40

Finding the Fourth Proportional to 166,239,968.40, 249,383,572.20 and 51,212,516.40

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Solution

The fourth proportional to 166,239,968.40, 249,383,572.20 and 51,212,516.40 is: 76,826,050.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,239,968.40 : 249,383,572.20 = 51,212,516.40 : x
  2. Step 2: Convert to fraction form
    166,239,968.40/249,383,572.20 = 51,212,516.40/x
  3. Step 3: Cross multiply
    166,239,968.40x = 249,383,572.20 × 51,212,516.40
  4. Step 4: Simplify right side
    166,239,968.40x = 12,771,560,281,183,084
  5. Step 5: Solve for x
    x = 12,771,560,281,183,084/166,239,968.40
  6. Step 6: Final answer
    x = 76,826,050.94

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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.