Home / 56,979,955.15-78,659,452.35-38,173,918.92

Finding the Fourth Proportional to 56,979,955.15, 78,659,452.35 and 38,173,918.92

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Solution

The fourth proportional to 56,979,955.15, 78,659,452.35 and 38,173,918.92 is: 52,698,173.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,979,955.15 : 78,659,452.35 = 38,173,918.92 : x
  2. Step 2: Convert to fraction form
    56,979,955.15/78,659,452.35 = 38,173,918.92/x
  3. Step 3: Cross multiply
    56,979,955.15x = 78,659,452.35 × 38,173,918.92
  4. Step 4: Simplify right side
    56,979,955.15x = 3,002,739,556,005,530
  5. Step 5: Solve for x
    x = 3,002,739,556,005,530/56,979,955.15
  6. Step 6: Final answer
    x = 52,698,173.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.