Home / 126,561,817,379.78-174,655,480,939.51-68,690,198,087.40

Finding the Fourth Proportional to 126,561,817,379.78, 174,655,480,939.51 and 68,690,198,087.40

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Solution

The fourth proportional to 126,561,817,379.78, 174,655,480,939.51 and 68,690,198,087.40 is: 94,792,567,230.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,561,817,379.78 : 174,655,480,939.51 = 68,690,198,087.40 : x
  2. Step 2: Convert to fraction form
    126,561,817,379.78/174,655,480,939.51 = 68,690,198,087.40/x
  3. Step 3: Cross multiply
    126,561,817,379.78x = 174,655,480,939.51 × 68,690,198,087.40
  4. Step 4: Simplify right side
    126,561,817,379.78x = 11,997,119,582,784,534,347,776
  5. Step 5: Solve for x
    x = 11,997,119,582,784,534,347,776/126,561,817,379.78
  6. Step 6: Final answer
    x = 94,792,567,230.48

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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.