Home / 284,351,413.76-392,405,484.86-158,903,610.56

Finding the Fourth Proportional to 284,351,413.76, 392,405,484.86 and 158,903,610.56

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Solution

The fourth proportional to 284,351,413.76, 392,405,484.86 and 158,903,610.56 is: 219,287,280.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,351,413.76 : 392,405,484.86 = 158,903,610.56 : x
  2. Step 2: Convert to fraction form
    284,351,413.76/392,405,484.86 = 158,903,610.56/x
  3. Step 3: Cross multiply
    284,351,413.76x = 392,405,484.86 × 158,903,610.56
  4. Step 4: Simplify right side
    284,351,413.76x = 62,354,648,347,801,416
  5. Step 5: Solve for x
    x = 62,354,648,347,801,416/284,351,413.76
  6. Step 6: Final answer
    x = 219,287,280.92

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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.