Home / 71,300,413,084.20-98,396,929,763.86-39,186,913,517.38

Finding the Fourth Proportional to 71,300,413,084.20, 98,396,929,763.86 and 39,186,913,517.38

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Solution

The fourth proportional to 71,300,413,084.20, 98,396,929,763.86 and 39,186,913,517.38 is: 54,079,237,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,300,413,084.20 : 98,396,929,763.86 = 39,186,913,517.38 : x
  2. Step 2: Convert to fraction form
    71,300,413,084.20/98,396,929,763.86 = 39,186,913,517.38/x
  3. Step 3: Cross multiply
    71,300,413,084.20x = 98,396,929,763.86 × 39,186,913,517.38
  4. Step 4: Simplify right side
    71,300,413,084.20x = 3,855,871,977,032,095,629,312
  5. Step 5: Solve for x
    x = 3,855,871,977,032,095,629,312/71,300,413,084.20
  6. Step 6: Final answer
    x = 54,079,237,556.15

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1.5x scale

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.