Home / 166,239,939.40-249,383,528.70-51,212,487.40

Finding the Fourth Proportional to 166,239,939.40, 249,383,528.70 and 51,212,487.40

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Solution

The fourth proportional to 166,239,939.40, 249,383,528.70 and 51,212,487.40 is: 76,826,007.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,239,939.40 : 249,383,528.70 = 51,212,487.40 : x
  2. Step 2: Convert to fraction form
    166,239,939.40/249,383,528.70 = 51,212,487.40/x
  3. Step 3: Cross multiply
    166,239,939.40x = 249,383,528.70 × 51,212,487.40
  4. Step 4: Simplify right side
    166,239,939.40x = 12,771,550,821,316,288
  5. Step 5: Solve for x
    x = 12,771,550,821,316,288/166,239,939.40
  6. Step 6: Final answer
    x = 76,826,007.44

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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.