Home / 141,964,941.86-195,912,209.97-76,774,845.86

Finding the Fourth Proportional to 141,964,941.86, 195,912,209.97 and 76,774,845.86

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Solution

The fourth proportional to 141,964,941.86, 195,912,209.97 and 76,774,845.86 is: 105,949,606.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,964,941.86 : 195,912,209.97 = 76,774,845.86 : x
  2. Step 2: Convert to fraction form
    141,964,941.86/195,912,209.97 = 76,774,845.86/x
  3. Step 3: Cross multiply
    141,964,941.86x = 195,912,209.97 × 76,774,845.86
  4. Step 4: Simplify right side
    141,964,941.86x = 15,041,129,722,538,706
  5. Step 5: Solve for x
    x = 15,041,129,722,538,706/141,964,941.86
  6. Step 6: Final answer
    x = 105,949,606.47

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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.