Home / 68,958,911.19-103,463,589.53-32,088,385.78

Finding the Fourth Proportional to 68,958,911.19, 103,463,589.53 and 32,088,385.78

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Solution

The fourth proportional to 68,958,911.19, 103,463,589.53 and 32,088,385.78 is: 48,144,315.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,958,911.19 : 103,463,589.53 = 32,088,385.78 : x
  2. Step 2: Convert to fraction form
    68,958,911.19/103,463,589.53 = 32,088,385.78/x
  3. Step 3: Cross multiply
    68,958,911.19x = 103,463,589.53 × 32,088,385.78
  4. Step 4: Simplify right side
    68,958,911.19x = 3,319,979,575,022,209
  5. Step 5: Solve for x
    x = 3,319,979,575,022,209/68,958,911.19
  6. Step 6: Final answer
    x = 48,144,315.47

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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.