Home / 205,014,039.61-282,919,191.79-115,724,778.86

Finding the Fourth Proportional to 205,014,039.61, 282,919,191.79 and 115,724,778.86

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Solution

The fourth proportional to 205,014,039.61, 282,919,191.79 and 115,724,778.86 is: 159,700,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,014,039.61 : 282,919,191.79 = 115,724,778.86 : x
  2. Step 2: Convert to fraction form
    205,014,039.61/282,919,191.79 = 115,724,778.86/x
  3. Step 3: Cross multiply
    205,014,039.61x = 282,919,191.79 × 115,724,778.86
  4. Step 4: Simplify right side
    205,014,039.61x = 32,740,760,905,147,680
  5. Step 5: Solve for x
    x = 32,740,760,905,147,680/205,014,039.61
  6. Step 6: Final answer
    x = 159,700,091.60

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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.