Home / 166,151,319.40-249,226,979.10-80,057,877.40

Finding the Fourth Proportional to 166,151,319.40, 249,226,979.10 and 80,057,877.40

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Solution

The fourth proportional to 166,151,319.40, 249,226,979.10 and 80,057,877.40 is: 120,086,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,151,319.40 : 249,226,979.10 = 80,057,877.40 : x
  2. Step 2: Convert to fraction form
    166,151,319.40/249,226,979.10 = 80,057,877.40/x
  3. Step 3: Cross multiply
    166,151,319.40x = 249,226,979.10 × 80,057,877.40
  4. Step 4: Simplify right side
    166,151,319.40x = 19,952,582,937,560,164
  5. Step 5: Solve for x
    x = 19,952,582,937,560,164/166,151,319.40
  6. Step 6: Final answer
    x = 120,086,816.10

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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.