Home / 126,911,208.80-190,366,813.20-31,173,096.80

Finding the Fourth Proportional to 126,911,208.80, 190,366,813.20 and 31,173,096.80

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Solution

The fourth proportional to 126,911,208.80, 190,366,813.20 and 31,173,096.80 is: 46,759,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,911,208.80 : 190,366,813.20 = 31,173,096.80 : x
  2. Step 2: Convert to fraction form
    126,911,208.80/190,366,813.20 = 31,173,096.80/x
  3. Step 3: Cross multiply
    126,911,208.80x = 190,366,813.20 × 31,173,096.80
  4. Step 4: Simplify right side
    126,911,208.80x = 5,934,323,095,391,118
  5. Step 5: Solve for x
    x = 5,934,323,095,391,118/126,911,208.80
  6. Step 6: Final answer
    x = 46,759,645.20

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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.