Home / 47,121,690,660.89-70,682,070,194.35-21,588,596,475.28

Finding the Fourth Proportional to 47,121,690,660.89, 70,682,070,194.35 and 21,588,596,475.28

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Solution

The fourth proportional to 47,121,690,660.89, 70,682,070,194.35 and 21,588,596,475.28 is: 32,382,681,310.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,121,690,660.89 : 70,682,070,194.35 = 21,588,596,475.28 : x
  2. Step 2: Convert to fraction form
    47,121,690,660.89/70,682,070,194.35 = 21,588,596,475.28/x
  3. Step 3: Cross multiply
    47,121,690,660.89x = 70,682,070,194.35 × 21,588,596,475.28
  4. Step 4: Simplify right side
    47,121,690,660.89x = 1,525,926,691,463,053,443,072
  5. Step 5: Solve for x
    x = 1,525,926,691,463,053,443,072/47,121,690,660.89
  6. Step 6: Final answer
    x = 32,382,681,310.07

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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.