Home / 107,851,523.80-161,777,285.70-43,165,312.60

Finding the Fourth Proportional to 107,851,523.80, 161,777,285.70 and 43,165,312.60

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Solution

The fourth proportional to 107,851,523.80, 161,777,285.70 and 43,165,312.60 is: 64,747,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,851,523.80 : 161,777,285.70 = 43,165,312.60 : x
  2. Step 2: Convert to fraction form
    107,851,523.80/161,777,285.70 = 43,165,312.60/x
  3. Step 3: Cross multiply
    107,851,523.80x = 161,777,285.70 × 43,165,312.60
  4. Step 4: Simplify right side
    107,851,523.80x = 6,983,167,108,820,010
  5. Step 5: Solve for x
    x = 6,983,167,108,820,010/107,851,523.80
  6. Step 6: Final answer
    x = 64,747,968.90

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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.