Home / 78,195,754.69-117,312,595.45-23,605,081.36

Finding the Fourth Proportional to 78,195,754.69, 117,312,595.45 and 23,605,081.36

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Solution

The fourth proportional to 78,195,754.69, 117,312,595.45 and 23,605,081.36 is: 35,413,346.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,195,754.69 : 117,312,595.45 = 23,605,081.36 : x
  2. Step 2: Convert to fraction form
    78,195,754.69/117,312,595.45 = 23,605,081.36/x
  3. Step 3: Cross multiply
    78,195,754.69x = 117,312,595.45 × 23,605,081.36
  4. Step 4: Simplify right side
    78,195,754.69x = 2,769,173,359,797,722
  5. Step 5: Solve for x
    x = 2,769,173,359,797,722/78,195,754.69
  6. Step 6: Final answer
    x = 35,413,346.55

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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.