Home / 111,091,517.28-166,637,829.51-45,548,455.86

Finding the Fourth Proportional to 111,091,517.28, 166,637,829.51 and 45,548,455.86

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Solution

The fourth proportional to 111,091,517.28, 166,637,829.51 and 45,548,455.86 is: 68,322,910.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,091,517.28 : 166,637,829.51 = 45,548,455.86 : x
  2. Step 2: Convert to fraction form
    111,091,517.28/166,637,829.51 = 45,548,455.86/x
  3. Step 3: Cross multiply
    111,091,517.28x = 166,637,829.51 × 45,548,455.86
  4. Step 4: Simplify right side
    111,091,517.28x = 7,590,095,822,042,440
  5. Step 5: Solve for x
    x = 7,590,095,822,042,440/111,091,517.28
  6. Step 6: Final answer
    x = 68,322,910.77

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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.