Home / 78,775,822.44-118,162,063.40-26,257,291.20

Finding the Fourth Proportional to 78,775,822.44, 118,162,063.40 and 26,257,291.20

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Solution

The fourth proportional to 78,775,822.44, 118,162,063.40 and 26,257,291.20 is: 39,385,380.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,775,822.44 : 118,162,063.40 = 26,257,291.20 : x
  2. Step 2: Convert to fraction form
    78,775,822.44/118,162,063.40 = 26,257,291.20/x
  3. Step 3: Cross multiply
    78,775,822.44x = 118,162,063.40 × 26,257,291.20
  4. Step 4: Simplify right side
    78,775,822.44x = 3,102,615,707,486,662
  5. Step 5: Solve for x
    x = 3,102,615,707,486,662/78,775,822.44
  6. Step 6: Final answer
    x = 39,385,380.07

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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.