Home / 73,118,720.57-109,655,997.01-21,987,166.01

Finding the Fourth Proportional to 73,118,720.57, 109,655,997.01 and 21,987,166.01

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Solution

The fourth proportional to 73,118,720.57, 109,655,997.01 and 21,987,166.01 is: 32,974,108.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,118,720.57 : 109,655,997.01 = 21,987,166.01 : x
  2. Step 2: Convert to fraction form
    73,118,720.57/109,655,997.01 = 21,987,166.01/x
  3. Step 3: Cross multiply
    73,118,720.57x = 109,655,997.01 × 21,987,166.01
  4. Step 4: Simplify right side
    73,118,720.57x = 2,411,024,609,647,685.50
  5. Step 5: Solve for x
    x = 2,411,024,609,647,685.50/73,118,720.57
  6. Step 6: Final answer
    x = 32,974,108.29

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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.