Home / 117,985,170.38-162,820,230.93-68,455,035.93

Finding the Fourth Proportional to 117,985,170.38, 162,820,230.93 and 68,455,035.93

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Solution

The fourth proportional to 117,985,170.38, 162,820,230.93 and 68,455,035.93 is: 94,468,353.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,985,170.38 : 162,820,230.93 = 68,455,035.93 : x
  2. Step 2: Convert to fraction form
    117,985,170.38/162,820,230.93 = 68,455,035.93/x
  3. Step 3: Cross multiply
    117,985,170.38x = 162,820,230.93 × 68,455,035.93
  4. Step 4: Simplify right side
    117,985,170.38x = 11,145,864,758,444,048
  5. Step 5: Solve for x
    x = 11,145,864,758,444,048/117,985,170.38
  6. Step 6: Final answer
    x = 94,468,353.29

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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.