Home / 88,610,088.72-122,276,820.60-49,448,791.92

Finding the Fourth Proportional to 88,610,088.72, 122,276,820.60 and 49,448,791.92

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Solution

The fourth proportional to 88,610,088.72, 122,276,820.60 and 49,448,791.92 is: 68,236,485.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,610,088.72 : 122,276,820.60 = 49,448,791.92 : x
  2. Step 2: Convert to fraction form
    88,610,088.72/122,276,820.60 = 49,448,791.92/x
  3. Step 3: Cross multiply
    88,610,088.72x = 122,276,820.60 × 49,448,791.92
  4. Step 4: Simplify right side
    88,610,088.72x = 6,046,441,058,488,569
  5. Step 5: Solve for x
    x = 6,046,441,058,488,569/88,610,088.72
  6. Step 6: Final answer
    x = 68,236,485.78

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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.