Home / 127,923,210.69-176,534,029.56-69,185,874.12

Finding the Fourth Proportional to 127,923,210.69, 176,534,029.56 and 69,185,874.12

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Solution

The fourth proportional to 127,923,210.69, 176,534,029.56 and 69,185,874.12 is: 95,476,505.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,923,210.69 : 176,534,029.56 = 69,185,874.12 : x
  2. Step 2: Convert to fraction form
    127,923,210.69/176,534,029.56 = 69,185,874.12/x
  3. Step 3: Cross multiply
    127,923,210.69x = 176,534,029.56 × 69,185,874.12
  4. Step 4: Simplify right side
    127,923,210.69x = 12,213,661,147,034,520
  5. Step 5: Solve for x
    x = 12,213,661,147,034,520/127,923,210.69
  6. Step 6: Final answer
    x = 95,476,505.64

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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.