Home / 103,203,160.34-142,418,519.15-56,158,629.44

Finding the Fourth Proportional to 103,203,160.34, 142,418,519.15 and 56,158,629.44

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Solution

The fourth proportional to 103,203,160.34, 142,418,519.15 and 56,158,629.44 is: 77,497,906.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,203,160.34 : 142,418,519.15 = 56,158,629.44 : x
  2. Step 2: Convert to fraction form
    103,203,160.34/142,418,519.15 = 56,158,629.44/x
  3. Step 3: Cross multiply
    103,203,160.34x = 142,418,519.15 × 56,158,629.44
  4. Step 4: Simplify right side
    103,203,160.34x = 7,998,028,841,345,509
  5. Step 5: Solve for x
    x = 7,998,028,841,345,509/103,203,160.34
  6. Step 6: Final answer
    x = 77,497,906.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.