Home / 117,048,906.70-161,527,435.07-70,005,979.36

Finding the Fourth Proportional to 117,048,906.70, 161,527,435.07 and 70,005,979.36

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Solution

The fourth proportional to 117,048,906.70, 161,527,435.07 and 70,005,979.36 is: 96,608,217.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,048,906.70 : 161,527,435.07 = 70,005,979.36 : x
  2. Step 2: Convert to fraction form
    117,048,906.70/161,527,435.07 = 70,005,979.36/x
  3. Step 3: Cross multiply
    117,048,906.70x = 161,527,435.07 × 70,005,979.36
  4. Step 4: Simplify right side
    117,048,906.70x = 11,307,886,285,234,130
  5. Step 5: Solve for x
    x = 11,307,886,285,234,130/117,048,906.70
  6. Step 6: Final answer
    x = 96,608,217.92

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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.