Home / 76,737,150.80-115,007,748.60-31,247,550.80

Finding the Fourth Proportional to 76,737,150.80, 115,007,748.60 and 31,247,550.80

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Solution

The fourth proportional to 76,737,150.80, 115,007,748.60 and 31,247,550.80 is: 46,831,429.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,737,150.80 : 115,007,748.60 = 31,247,550.80 : x
  2. Step 2: Convert to fraction form
    76,737,150.80/115,007,748.60 = 31,247,550.80/x
  3. Step 3: Cross multiply
    76,737,150.80x = 115,007,748.60 × 31,247,550.80
  4. Step 4: Simplify right side
    76,737,150.80x = 3,593,710,466,772,129
  5. Step 5: Solve for x
    x = 3,593,710,466,772,129/76,737,150.80
  6. Step 6: Final answer
    x = 46,831,429.49

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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.