Home / 112,969,225.14-155,888,975.06-63,400,025.40

Finding the Fourth Proportional to 112,969,225.14, 155,888,975.06 and 63,400,025.40

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Solution

The fourth proportional to 112,969,225.14, 155,888,975.06 and 63,400,025.40 is: 87,487,233.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,969,225.14 : 155,888,975.06 = 63,400,025.40 : x
  2. Step 2: Convert to fraction form
    112,969,225.14/155,888,975.06 = 63,400,025.40/x
  3. Step 3: Cross multiply
    112,969,225.14x = 155,888,975.06 × 63,400,025.40
  4. Step 4: Simplify right side
    112,969,225.14x = 9,883,364,978,383,966
  5. Step 5: Solve for x
    x = 9,883,364,978,383,966/112,969,225.14
  6. Step 6: Final answer
    x = 87,487,233.50

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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.