Home / 209,932,480.06-314,897,598.78-54,486,174.54

Finding the Fourth Proportional to 209,932,480.06, 314,897,598.78 and 54,486,174.54

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Solution

The fourth proportional to 209,932,480.06, 314,897,598.78 and 54,486,174.54 is: 81,728,970.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,932,480.06 : 314,897,598.78 = 54,486,174.54 : x
  2. Step 2: Convert to fraction form
    209,932,480.06/314,897,598.78 = 54,486,174.54/x
  3. Step 3: Cross multiply
    209,932,480.06x = 314,897,598.78 × 54,486,174.54
  4. Step 4: Simplify right side
    209,932,480.06x = 17,157,565,529,353,970
  5. Step 5: Solve for x
    x = 17,157,565,529,353,970/209,932,480.06
  6. Step 6: Final answer
    x = 81,728,970.78

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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.