Home / 264,090,005.80-396,135,008.70-127,789,167.40

Finding the Fourth Proportional to 264,090,005.80, 396,135,008.70 and 127,789,167.40

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Solution

The fourth proportional to 264,090,005.80, 396,135,008.70 and 127,789,167.40 is: 191,683,751.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,090,005.80 : 396,135,008.70 = 127,789,167.40 : x
  2. Step 2: Convert to fraction form
    264,090,005.80/396,135,008.70 = 127,789,167.40/x
  3. Step 3: Cross multiply
    264,090,005.80x = 396,135,008.70 × 127,789,167.40
  4. Step 4: Simplify right side
    264,090,005.80x = 50,621,762,939,764,760
  5. Step 5: Solve for x
    x = 50,621,762,939,764,760/264,090,005.80
  6. Step 6: Final answer
    x = 191,683,751.10

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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.