Home / 126,911,200.80-190,366,801.20-31,173,088.80

Finding the Fourth Proportional to 126,911,200.80, 190,366,801.20 and 31,173,088.80

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Solution

The fourth proportional to 126,911,200.80, 190,366,801.20 and 31,173,088.80 is: 46,759,633.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,911,200.80 : 190,366,801.20 = 31,173,088.80 : x
  2. Step 2: Convert to fraction form
    126,911,200.80/190,366,801.20 = 31,173,088.80/x
  3. Step 3: Cross multiply
    126,911,200.80x = 190,366,801.20 × 31,173,088.80
  4. Step 4: Simplify right side
    126,911,200.80x = 5,934,321,198,379,546
  5. Step 5: Solve for x
    x = 5,934,321,198,379,546/126,911,200.80
  6. Step 6: Final answer
    x = 46,759,633.20

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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.