Home / 166,151,314.90-249,226,972.35-80,057,872.90

Finding the Fourth Proportional to 166,151,314.90, 249,226,972.35 and 80,057,872.90

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Solution

The fourth proportional to 166,151,314.90, 249,226,972.35 and 80,057,872.90 is: 120,086,809.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,151,314.90 : 249,226,972.35 = 80,057,872.90 : x
  2. Step 2: Convert to fraction form
    166,151,314.90/249,226,972.35 = 80,057,872.90/x
  3. Step 3: Cross multiply
    166,151,314.90x = 249,226,972.35 × 80,057,872.90
  4. Step 4: Simplify right side
    166,151,314.90x = 19,952,581,275,648,116
  5. Step 5: Solve for x
    x = 19,952,581,275,648,116/166,151,314.90
  6. Step 6: Final answer
    x = 120,086,809.35

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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.