Home / 77,092,289.91-106,411,179.20-49,590,220.59

Finding the Fourth Proportional to 77,092,289.91, 106,411,179.20 and 49,590,220.59

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Solution

The fourth proportional to 77,092,289.91, 106,411,179.20 and 49,590,220.59 is: 68,449,826.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,092,289.91 : 106,411,179.20 = 49,590,220.59 : x
  2. Step 2: Convert to fraction form
    77,092,289.91/106,411,179.20 = 49,590,220.59/x
  3. Step 3: Cross multiply
    77,092,289.91x = 106,411,179.20 × 49,590,220.59
  4. Step 4: Simplify right side
    77,092,289.91x = 5,276,953,849,522,069
  5. Step 5: Solve for x
    x = 5,276,953,849,522,069/77,092,289.91
  6. Step 6: Final answer
    x = 68,449,826.25

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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.