Home / 77,237,752.88-106,545,645.24-48,928,280.92

Finding the Fourth Proportional to 77,237,752.88, 106,545,645.24 and 48,928,280.92

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Solution

The fourth proportional to 77,237,752.88, 106,545,645.24 and 48,928,280.92 is: 67,494,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,237,752.88 : 106,545,645.24 = 48,928,280.92 : x
  2. Step 2: Convert to fraction form
    77,237,752.88/106,545,645.24 = 48,928,280.92/x
  3. Step 3: Cross multiply
    77,237,752.88x = 106,545,645.24 × 48,928,280.92
  4. Step 4: Simplify right side
    77,237,752.88x = 5,213,095,261,105,381
  5. Step 5: Solve for x
    x = 5,213,095,261,105,381/77,237,752.88
  6. Step 6: Final answer
    x = 67,494,134.24

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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.