Home / 76,079,680.96-104,989,960.20-43,485,332.80

Finding the Fourth Proportional to 76,079,680.96, 104,989,960.20 and 43,485,332.80

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Solution

The fourth proportional to 76,079,680.96, 104,989,960.20 and 43,485,332.80 is: 60,009,759.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,079,680.96 : 104,989,960.20 = 43,485,332.80 : x
  2. Step 2: Convert to fraction form
    76,079,680.96/104,989,960.20 = 43,485,332.80/x
  3. Step 3: Cross multiply
    76,079,680.96x = 104,989,960.20 × 43,485,332.80
  4. Step 4: Simplify right side
    76,079,680.96x = 4,565,523,359,955,754
  5. Step 5: Solve for x
    x = 4,565,523,359,955,754/76,079,680.96
  6. Step 6: Final answer
    x = 60,009,759.54

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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.