Home / 111,518,426.36-153,861,867.42-66,848,099.63

Finding the Fourth Proportional to 111,518,426.36, 153,861,867.42 and 66,848,099.63

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Solution

The fourth proportional to 111,518,426.36, 153,861,867.42 and 66,848,099.63 is: 92,230,259.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,518,426.36 : 153,861,867.42 = 66,848,099.63 : x
  2. Step 2: Convert to fraction form
    111,518,426.36/153,861,867.42 = 66,848,099.63/x
  3. Step 3: Cross multiply
    111,518,426.36x = 153,861,867.42 × 66,848,099.63
  4. Step 4: Simplify right side
    111,518,426.36x = 10,285,373,441,746,196
  5. Step 5: Solve for x
    x = 10,285,373,441,746,196/111,518,426.36
  6. Step 6: Final answer
    x = 92,230,259.85

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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.