Home / 206,258,042,032.43-309,386,990,229.45-55,160,416,329.50

Finding the Fourth Proportional to 206,258,042,032.43, 309,386,990,229.45 and 55,160,416,329.50

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Solution

The fourth proportional to 206,258,042,032.43, 309,386,990,229.45 and 55,160,416,329.50 is: 82,740,605,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,258,042,032.43 : 309,386,990,229.45 = 55,160,416,329.50 : x
  2. Step 2: Convert to fraction form
    206,258,042,032.43/309,386,990,229.45 = 55,160,416,329.50/x
  3. Step 3: Cross multiply
    206,258,042,032.43x = 309,386,990,229.45 × 55,160,416,329.50
  4. Step 4: Simplify right side
    206,258,042,032.43x = 17,065,915,187,985,865,768,960
  5. Step 5: Solve for x
    x = 17,065,915,187,985,865,768,960/206,258,042,032.43
  6. Step 6: Final answer
    x = 82,740,605,019.91

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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.