Home / 143,877,934.53-198,539,546.58-81,150,575.49

Finding the Fourth Proportional to 143,877,934.53, 198,539,546.58 and 81,150,575.49

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Solution

The fourth proportional to 143,877,934.53, 198,539,546.58 and 81,150,575.49 is: 111,981,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,877,934.53 : 198,539,546.58 = 81,150,575.49 : x
  2. Step 2: Convert to fraction form
    143,877,934.53/198,539,546.58 = 81,150,575.49/x
  3. Step 3: Cross multiply
    143,877,934.53x = 198,539,546.58 × 81,150,575.49
  4. Step 4: Simplify right side
    143,877,934.53x = 16,111,598,462,490,662
  5. Step 5: Solve for x
    x = 16,111,598,462,490,662/143,877,934.53
  6. Step 6: Final answer
    x = 111,981,024.16

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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.