Home / 117,048,906.45-161,527,434.72-70,005,979.11

Finding the Fourth Proportional to 117,048,906.45, 161,527,434.72 and 70,005,979.11

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Solution

The fourth proportional to 117,048,906.45, 161,527,434.72 and 70,005,979.11 is: 96,608,217.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,048,906.45 : 161,527,434.72 = 70,005,979.11 : x
  2. Step 2: Convert to fraction form
    117,048,906.45/161,527,434.72 = 70,005,979.11/x
  3. Step 3: Cross multiply
    117,048,906.45x = 161,527,434.72 × 70,005,979.11
  4. Step 4: Simplify right side
    117,048,906.45x = 11,307,886,220,700,208
  5. Step 5: Solve for x
    x = 11,307,886,220,700,208/117,048,906.45
  6. Step 6: Final answer
    x = 96,608,217.57

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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.