Home / 71,771,460.90-107,651,983.80-28,043,997.27

Finding the Fourth Proportional to 71,771,460.90, 107,651,983.80 and 28,043,997.27

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Solution

The fourth proportional to 71,771,460.90, 107,651,983.80 and 28,043,997.27 is: 42,063,961.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,771,460.90 : 107,651,983.80 = 28,043,997.27 : x
  2. Step 2: Convert to fraction form
    71,771,460.90/107,651,983.80 = 28,043,997.27/x
  3. Step 3: Cross multiply
    71,771,460.90x = 107,651,983.80 × 28,043,997.27
  4. Step 4: Simplify right side
    71,771,460.90x = 3,018,991,939,498,754
  5. Step 5: Solve for x
    x = 3,018,991,939,498,754/71,771,460.90
  6. Step 6: Final answer
    x = 42,063,961.10

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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.