Home / 112,969,223.20-155,888,972.39-63,400,023.47

Finding the Fourth Proportional to 112,969,223.20, 155,888,972.39 and 63,400,023.47

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Solution

The fourth proportional to 112,969,223.20, 155,888,972.39 and 63,400,023.47 is: 87,487,230.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,969,223.20 : 155,888,972.39 = 63,400,023.47 : x
  2. Step 2: Convert to fraction form
    112,969,223.20/155,888,972.39 = 63,400,023.47/x
  3. Step 3: Cross multiply
    112,969,223.20x = 155,888,972.39 × 63,400,023.47
  4. Step 4: Simplify right side
    112,969,223.20x = 9,883,364,507,923,182
  5. Step 5: Solve for x
    x = 9,883,364,507,923,182/112,969,223.20
  6. Step 6: Final answer
    x = 87,487,230.84

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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.