Home / 85,109,212.80-127,579,838.40-41,943,081.60

Finding the Fourth Proportional to 85,109,212.80, 127,579,838.40 and 41,943,081.60

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Solution

The fourth proportional to 85,109,212.80, 127,579,838.40 and 41,943,081.60 is: 62,873,235.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,109,212.80 : 127,579,838.40 = 41,943,081.60 : x
  2. Step 2: Convert to fraction form
    85,109,212.80/127,579,838.40 = 41,943,081.60/x
  3. Step 3: Cross multiply
    85,109,212.80x = 127,579,838.40 × 41,943,081.60
  4. Step 4: Simplify right side
    85,109,212.80x = 5,351,091,572,526,014
  5. Step 5: Solve for x
    x = 5,351,091,572,526,014/85,109,212.80
  6. Step 6: Final answer
    x = 62,873,235.42

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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.