Home / 126,561,817,362.65-174,655,480,915.86-68,690,198,070.21

Finding the Fourth Proportional to 126,561,817,362.65, 174,655,480,915.86 and 68,690,198,070.21

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Solution

The fourth proportional to 126,561,817,362.65, 174,655,480,915.86 and 68,690,198,070.21 is: 94,792,567,206.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,561,817,362.65 : 174,655,480,915.86 = 68,690,198,070.21 : x
  2. Step 2: Convert to fraction form
    126,561,817,362.65/174,655,480,915.86 = 68,690,198,070.21/x
  3. Step 3: Cross multiply
    126,561,817,362.65x = 174,655,480,915.86 × 68,690,198,070.21
  4. Step 4: Simplify right side
    126,561,817,362.65x = 11,997,119,578,158,204,452,864
  5. Step 5: Solve for x
    x = 11,997,119,578,158,204,452,864/126,561,817,362.65
  6. Step 6: Final answer
    x = 94,792,567,206.76

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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.