Home / 86,878,893.33-130,255,155.52-40,797,016.83

Finding the Fourth Proportional to 86,878,893.33, 130,255,155.52 and 40,797,016.83

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Solution

The fourth proportional to 86,878,893.33, 130,255,155.52 and 40,797,016.83 is: 61,165,854.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,878,893.33 : 130,255,155.52 = 40,797,016.83 : x
  2. Step 2: Convert to fraction form
    86,878,893.33/130,255,155.52 = 40,797,016.83/x
  3. Step 3: Cross multiply
    86,878,893.33x = 130,255,155.52 × 40,797,016.83
  4. Step 4: Simplify right side
    86,878,893.33x = 5,314,021,771,739,722
  5. Step 5: Solve for x
    x = 5,314,021,771,739,722/86,878,893.33
  6. Step 6: Final answer
    x = 61,165,854.77

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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.