Home / 72,398,448,288.80-108,597,672,433.20-20,053,635,552.80

Finding the Fourth Proportional to 72,398,448,288.80, 108,597,672,433.20 and 20,053,635,552.80

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Solution

The fourth proportional to 72,398,448,288.80, 108,597,672,433.20 and 20,053,635,552.80 is: 30,080,453,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,398,448,288.80 : 108,597,672,433.20 = 20,053,635,552.80 : x
  2. Step 2: Convert to fraction form
    72,398,448,288.80/108,597,672,433.20 = 20,053,635,552.80/x
  3. Step 3: Cross multiply
    72,398,448,288.80x = 108,597,672,433.20 × 20,053,635,552.80
  4. Step 4: Simplify right side
    72,398,448,288.80x = 2,177,778,144,857,747,881,984
  5. Step 5: Solve for x
    x = 2,177,778,144,857,747,881,984/72,398,448,288.80
  6. Step 6: Final answer
    x = 30,080,453,329.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.