Home / 205,261,810.80-283,153,907.04-126,920,321.52

Finding the Fourth Proportional to 205,261,810.80, 283,153,907.04 and 126,920,321.52

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Solution

The fourth proportional to 205,261,810.80, 283,153,907.04 and 126,920,321.52 is: 175,083,639.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,261,810.80 : 283,153,907.04 = 126,920,321.52 : x
  2. Step 2: Convert to fraction form
    205,261,810.80/283,153,907.04 = 126,920,321.52/x
  3. Step 3: Cross multiply
    205,261,810.80x = 283,153,907.04 × 126,920,321.52
  4. Step 4: Simplify right side
    205,261,810.80x = 35,937,984,921,160,992
  5. Step 5: Solve for x
    x = 35,937,984,921,160,992/205,261,810.80
  6. Step 6: Final answer
    x = 175,083,639.68

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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.