Home / 95,954,790.80-143,932,186.20-78,736,102.40

Finding the Fourth Proportional to 95,954,790.80, 143,932,186.20 and 78,736,102.40

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Solution

The fourth proportional to 95,954,790.80, 143,932,186.20 and 78,736,102.40 is: 118,104,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,954,790.80 : 143,932,186.20 = 78,736,102.40 : x
  2. Step 2: Convert to fraction form
    95,954,790.80/143,932,186.20 = 78,736,102.40/x
  3. Step 3: Cross multiply
    95,954,790.80x = 143,932,186.20 × 78,736,102.40
  4. Step 4: Simplify right side
    95,954,790.80x = 11,332,659,351,299,066
  5. Step 5: Solve for x
    x = 11,332,659,351,299,066/95,954,790.80
  6. Step 6: Final answer
    x = 118,104,153.60

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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.