Home / 166,151,311.40-249,226,967.10-80,057,869.40

Finding the Fourth Proportional to 166,151,311.40, 249,226,967.10 and 80,057,869.40

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Solution

The fourth proportional to 166,151,311.40, 249,226,967.10 and 80,057,869.40 is: 120,086,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,151,311.40 : 249,226,967.10 = 80,057,869.40 : x
  2. Step 2: Convert to fraction form
    166,151,311.40/249,226,967.10 = 80,057,869.40/x
  3. Step 3: Cross multiply
    166,151,311.40x = 249,226,967.10 × 80,057,869.40
  4. Step 4: Simplify right side
    166,151,311.40x = 19,952,579,983,049,896
  5. Step 5: Solve for x
    x = 19,952,579,983,049,896/166,151,311.40
  6. Step 6: Final answer
    x = 120,086,804.10

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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.