Home / 120,722,270,484.26-166,591,882,901.47-65,788,276,995.38

Finding the Fourth Proportional to 120,722,270,484.26, 166,591,882,901.47 and 65,788,276,995.38

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Solution

The fourth proportional to 120,722,270,484.26, 166,591,882,901.47 and 65,788,276,995.38 is: 90,785,179,019.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,722,270,484.26 : 166,591,882,901.47 = 65,788,276,995.38 : x
  2. Step 2: Convert to fraction form
    120,722,270,484.26/166,591,882,901.47 = 65,788,276,995.38/x
  3. Step 3: Cross multiply
    120,722,270,484.26x = 166,591,882,901.47 × 65,788,276,995.38
  4. Step 4: Simplify right side
    120,722,270,484.26x = 10,959,792,937,502,985,158,656
  5. Step 5: Solve for x
    x = 10,959,792,937,502,985,158,656/120,722,270,484.26
  6. Step 6: Final answer
    x = 90,785,179,019.08

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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.