Home / 72,610,490.03-100,199,552.90-39,570,029.73

Finding the Fourth Proportional to 72,610,490.03, 100,199,552.90 and 39,570,029.73

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Solution

The fourth proportional to 72,610,490.03, 100,199,552.90 and 39,570,029.73 is: 54,605,047.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,610,490.03 : 100,199,552.90 = 39,570,029.73 : x
  2. Step 2: Convert to fraction form
    72,610,490.03/100,199,552.90 = 39,570,029.73/x
  3. Step 3: Cross multiply
    72,610,490.03x = 100,199,552.90 × 39,570,029.73
  4. Step 4: Simplify right side
    72,610,490.03x = 3,964,899,286,987,857
  5. Step 5: Solve for x
    x = 3,964,899,286,987,857/72,610,490.03
  6. Step 6: Final answer
    x = 54,605,047.92

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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.