Home / 388,495,740.80-582,743,611.20-101,281,404.80

Finding the Fourth Proportional to 388,495,740.80, 582,743,611.20 and 101,281,404.80

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Solution

The fourth proportional to 388,495,740.80, 582,743,611.20 and 101,281,404.80 is: 151,922,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,495,740.80 : 582,743,611.20 = 101,281,404.80 : x
  2. Step 2: Convert to fraction form
    388,495,740.80/582,743,611.20 = 101,281,404.80/x
  3. Step 3: Cross multiply
    388,495,740.80x = 582,743,611.20 × 101,281,404.80
  4. Step 4: Simplify right side
    388,495,740.80x = 59,021,091,580,561,016
  5. Step 5: Solve for x
    x = 59,021,091,580,561,016/388,495,740.80
  6. Step 6: Final answer
    x = 151,922,107.20

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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.