Home / 76,403,358.80-114,353,095.80-53,728,542.80

Finding the Fourth Proportional to 76,403,358.80, 114,353,095.80 and 53,728,542.80

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Solution

The fourth proportional to 76,403,358.80, 114,353,095.80 and 53,728,542.80 is: 80,415,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,403,358.80 : 114,353,095.80 = 53,728,542.80 : x
  2. Step 2: Convert to fraction form
    76,403,358.80/114,353,095.80 = 53,728,542.80/x
  3. Step 3: Cross multiply
    76,403,358.80x = 114,353,095.80 × 53,728,542.80
  4. Step 4: Simplify right side
    76,403,358.80x = 6,144,025,202,002,800
  5. Step 5: Solve for x
    x = 6,144,025,202,002,800/76,403,358.80
  6. Step 6: Final answer
    x = 80,415,642.70

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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.