Home / 113,505,197.28-170,251,495.92-100,870,285.92

Finding the Fourth Proportional to 113,505,197.28, 170,251,495.92 and 100,870,285.92

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Solution

The fourth proportional to 113,505,197.28, 170,251,495.92 and 100,870,285.92 is: 151,299,830.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,505,197.28 : 170,251,495.92 = 100,870,285.92 : x
  2. Step 2: Convert to fraction form
    113,505,197.28/170,251,495.92 = 100,870,285.92/x
  3. Step 3: Cross multiply
    113,505,197.28x = 170,251,495.92 × 100,870,285.92
  4. Step 4: Simplify right side
    113,505,197.28x = 17,173,317,071,758,112
  5. Step 5: Solve for x
    x = 17,173,317,071,758,112/113,505,197.28
  6. Step 6: Final answer
    x = 151,299,830.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.