Home / 127,565,181,668.21-176,040,021,332.29-68,904,003,378.93

Finding the Fourth Proportional to 127,565,181,668.21, 176,040,021,332.29 and 68,904,003,378.93

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Solution

The fourth proportional to 127,565,181,668.21, 176,040,021,332.29 and 68,904,003,378.93 is: 95,087,562,813.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,565,181,668.21 : 176,040,021,332.29 = 68,904,003,378.93 : x
  2. Step 2: Convert to fraction form
    127,565,181,668.21/176,040,021,332.29 = 68,904,003,378.93/x
  3. Step 3: Cross multiply
    127,565,181,668.21x = 176,040,021,332.29 × 68,904,003,378.93
  4. Step 4: Simplify right side
    127,565,181,668.21x = 12,129,862,224,707,548,348,416
  5. Step 5: Solve for x
    x = 12,129,862,224,707,548,348,416/127,565,181,668.21
  6. Step 6: Final answer
    x = 95,087,562,813.63

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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.