Home / 78,521,860.62-108,358,050.60-43,714,554.12

Finding the Fourth Proportional to 78,521,860.62, 108,358,050.60 and 43,714,554.12

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Solution

The fourth proportional to 78,521,860.62, 108,358,050.60 and 43,714,554.12 is: 60,324,906.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,521,860.62 : 108,358,050.60 = 43,714,554.12 : x
  2. Step 2: Convert to fraction form
    78,521,860.62/108,358,050.60 = 43,714,554.12/x
  3. Step 3: Cross multiply
    78,521,860.62x = 108,358,050.60 × 43,714,554.12
  4. Step 4: Simplify right side
    78,521,860.62x = 4,736,823,867,291,398
  5. Step 5: Solve for x
    x = 4,736,823,867,291,398/78,521,860.62
  6. Step 6: Final answer
    x = 60,324,906.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.