Home / 277,793,149.68-416,649,162.33-81,003,681.27

Finding the Fourth Proportional to 277,793,149.68, 416,649,162.33 and 81,003,681.27

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Solution

The fourth proportional to 277,793,149.68, 416,649,162.33 and 81,003,681.27 is: 121,493,694.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,793,149.68 : 416,649,162.33 = 81,003,681.27 : x
  2. Step 2: Convert to fraction form
    277,793,149.68/416,649,162.33 = 81,003,681.27/x
  3. Step 3: Cross multiply
    277,793,149.68x = 416,649,162.33 × 81,003,681.27
  4. Step 4: Simplify right side
    277,793,149.68x = 33,750,115,946,791,808
  5. Step 5: Solve for x
    x = 33,750,115,946,791,808/277,793,149.68
  6. Step 6: Final answer
    x = 121,493,694.09

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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.