Home / 112,969,223.82-155,888,973.25-63,400,024.09

Finding the Fourth Proportional to 112,969,223.82, 155,888,973.25 and 63,400,024.09

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Solution

The fourth proportional to 112,969,223.82, 155,888,973.25 and 63,400,024.09 is: 87,487,231.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,969,223.82 : 155,888,973.25 = 63,400,024.09 : x
  2. Step 2: Convert to fraction form
    112,969,223.82/155,888,973.25 = 63,400,024.09/x
  3. Step 3: Cross multiply
    112,969,223.82x = 155,888,973.25 × 63,400,024.09
  4. Step 4: Simplify right side
    112,969,223.82x = 9,883,364,659,415,366
  5. Step 5: Solve for x
    x = 9,883,364,659,415,366/112,969,223.82
  6. Step 6: Final answer
    x = 87,487,231.70

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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.