Home / 77,677,925.54-116,532,237.61-28,494,235.52

Finding the Fourth Proportional to 77,677,925.54, 116,532,237.61 and 28,494,235.52

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Solution

The fourth proportional to 77,677,925.54, 116,532,237.61 and 28,494,235.52 is: 42,746,983.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,677,925.54 : 116,532,237.61 = 28,494,235.52 : x
  2. Step 2: Convert to fraction form
    77,677,925.54/116,532,237.61 = 28,494,235.52/x
  3. Step 3: Cross multiply
    77,677,925.54x = 116,532,237.61 × 28,494,235.52
  4. Step 4: Simplify right side
    77,677,925.54x = 3,320,497,024,131,942
  5. Step 5: Solve for x
    x = 3,320,497,024,131,942/77,677,925.54
  6. Step 6: Final answer
    x = 42,746,983.79

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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.