Home / 117,102,778.14-161,602,790.67-64,892,685.90

Finding the Fourth Proportional to 117,102,778.14, 161,602,790.67 and 64,892,685.90

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Solution

The fourth proportional to 117,102,778.14, 161,602,790.67 and 64,892,685.90 is: 89,552,436.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,102,778.14 : 161,602,790.67 = 64,892,685.90 : x
  2. Step 2: Convert to fraction form
    117,102,778.14/161,602,790.67 = 64,892,685.90/x
  3. Step 3: Cross multiply
    117,102,778.14x = 161,602,790.67 × 64,892,685.90
  4. Step 4: Simplify right side
    117,102,778.14x = 10,486,839,135,511,760
  5. Step 5: Solve for x
    x = 10,486,839,135,511,760/117,102,778.14
  6. Step 6: Final answer
    x = 89,552,436.77

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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.