Home / 52,753,021.32-79,107,111.12-21,607,206.20

Finding the Fourth Proportional to 52,753,021.32, 79,107,111.12 and 21,607,206.20

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Solution

The fourth proportional to 52,753,021.32, 79,107,111.12 and 21,607,206.20 is: 32,401,625.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,753,021.32 : 79,107,111.12 = 21,607,206.20 : x
  2. Step 2: Convert to fraction form
    52,753,021.32/79,107,111.12 = 21,607,206.20/x
  3. Step 3: Cross multiply
    52,753,021.32x = 79,107,111.12 × 21,607,206.20
  4. Step 4: Simplify right side
    52,753,021.32x = 1,709,283,661,856,153
  5. Step 5: Solve for x
    x = 1,709,283,661,856,153/52,753,021.32
  6. Step 6: Final answer
    x = 32,401,625.90

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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.