Home / 115,441,037.80-173,161,556.70-71,603,060.20

Finding the Fourth Proportional to 115,441,037.80, 173,161,556.70 and 71,603,060.20

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Solution

The fourth proportional to 115,441,037.80, 173,161,556.70 and 71,603,060.20 is: 107,404,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,441,037.80 : 173,161,556.70 = 71,603,060.20 : x
  2. Step 2: Convert to fraction form
    115,441,037.80/173,161,556.70 = 71,603,060.20/x
  3. Step 3: Cross multiply
    115,441,037.80x = 173,161,556.70 × 71,603,060.20
  4. Step 4: Simplify right side
    115,441,037.80x = 12,398,897,368,715,814
  5. Step 5: Solve for x
    x = 12,398,897,368,715,814/115,441,037.80
  6. Step 6: Final answer
    x = 107,404,590.30

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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.