Home / 166,485,811.80-249,728,717.70-51,481,979.40

Finding the Fourth Proportional to 166,485,811.80, 249,728,717.70 and 51,481,979.40

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Solution

The fourth proportional to 166,485,811.80, 249,728,717.70 and 51,481,979.40 is: 77,222,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,485,811.80 : 249,728,717.70 = 51,481,979.40 : x
  2. Step 2: Convert to fraction form
    166,485,811.80/249,728,717.70 = 51,481,979.40/x
  3. Step 3: Cross multiply
    166,485,811.80x = 249,728,717.70 × 51,481,979.40
  4. Step 4: Simplify right side
    166,485,811.80x = 12,856,528,700,219,814
  5. Step 5: Solve for x
    x = 12,856,528,700,219,814/166,485,811.80
  6. Step 6: Final answer
    x = 77,222,969.10

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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.