Home / 108,109,874.41-149,190,887.30-58,549,108.30

Finding the Fourth Proportional to 108,109,874.41, 149,190,887.30 and 58,549,108.30

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Solution

The fourth proportional to 108,109,874.41, 149,190,887.30 and 58,549,108.30 is: 80,797,369.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,109,874.41 : 149,190,887.30 = 58,549,108.30 : x
  2. Step 2: Convert to fraction form
    108,109,874.41/149,190,887.30 = 58,549,108.30/x
  3. Step 3: Cross multiply
    108,109,874.41x = 149,190,887.30 × 58,549,108.30
  4. Step 4: Simplify right side
    108,109,874.41x = 8,734,993,417,235,071
  5. Step 5: Solve for x
    x = 8,734,993,417,235,071/108,109,874.41
  6. Step 6: Final answer
    x = 80,797,369.02

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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.