Home / 127,565,181,678.72-176,040,021,346.80-68,904,003,389.43

Finding the Fourth Proportional to 127,565,181,678.72, 176,040,021,346.80 and 68,904,003,389.43

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Solution

The fourth proportional to 127,565,181,678.72, 176,040,021,346.80 and 68,904,003,389.43 is: 95,087,562,828.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,565,181,678.72 : 176,040,021,346.80 = 68,904,003,389.43 : x
  2. Step 2: Convert to fraction form
    127,565,181,678.72/176,040,021,346.80 = 68,904,003,389.43/x
  3. Step 3: Cross multiply
    127,565,181,678.72x = 176,040,021,346.80 × 68,904,003,389.43
  4. Step 4: Simplify right side
    127,565,181,678.72x = 12,129,862,227,555,235,397,632
  5. Step 5: Solve for x
    x = 12,129,862,227,555,235,397,632/127,565,181,678.72
  6. Step 6: Final answer
    x = 95,087,562,828.12

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1.5x scale

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.