Home / 86,878,893.08-130,255,155.14-40,797,016.58

Finding the Fourth Proportional to 86,878,893.08, 130,255,155.14 and 40,797,016.58

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Solution

The fourth proportional to 86,878,893.08, 130,255,155.14 and 40,797,016.58 is: 61,165,854.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,878,893.08 : 130,255,155.14 = 40,797,016.58 : x
  2. Step 2: Convert to fraction form
    86,878,893.08/130,255,155.14 = 40,797,016.58/x
  3. Step 3: Cross multiply
    86,878,893.08x = 130,255,155.14 × 40,797,016.58
  4. Step 4: Simplify right side
    86,878,893.08x = 5,314,021,723,877,052
  5. Step 5: Solve for x
    x = 5,314,021,723,877,052/86,878,893.08
  6. Step 6: Final answer
    x = 61,165,854.39

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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.