Home / 112,969,225.90-155,888,976.09-63,400,026.16

Finding the Fourth Proportional to 112,969,225.90, 155,888,976.09 and 63,400,026.16

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Solution

The fourth proportional to 112,969,225.90, 155,888,976.09 and 63,400,026.16 is: 87,487,234.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,969,225.90 : 155,888,976.09 = 63,400,026.16 : x
  2. Step 2: Convert to fraction form
    112,969,225.90/155,888,976.09 = 63,400,026.16/x
  3. Step 3: Cross multiply
    112,969,225.90x = 155,888,976.09 × 63,400,026.16
  4. Step 4: Simplify right side
    112,969,225.90x = 9,883,365,162,161,614
  5. Step 5: Solve for x
    x = 9,883,365,162,161,614/112,969,225.90
  6. Step 6: Final answer
    x = 87,487,234.54

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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.