Home / 54,846,650.80-82,290,971.40-53,985,847.60

Finding the Fourth Proportional to 54,846,650.80, 82,290,971.40 and 53,985,847.60

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Solution

The fourth proportional to 54,846,650.80, 82,290,971.40 and 53,985,847.60 is: 80,999,437.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,846,650.80 : 82,290,971.40 = 53,985,847.60 : x
  2. Step 2: Convert to fraction form
    54,846,650.80/82,290,971.40 = 53,985,847.60/x
  3. Step 3: Cross multiply
    54,846,650.80x = 82,290,971.40 × 53,985,847.60
  4. Step 4: Simplify right side
    54,846,650.80x = 4,442,547,840,856,359
  5. Step 5: Solve for x
    x = 4,442,547,840,856,359/54,846,650.80
  6. Step 6: Final answer
    x = 80,999,437.09

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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.