Home / 85,588,660.32-118,112,351.24-48,920,018.64

Finding the Fourth Proportional to 85,588,660.32, 118,112,351.24 and 48,920,018.64

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Solution

The fourth proportional to 85,588,660.32, 118,112,351.24 and 48,920,018.64 is: 67,509,625.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,588,660.32 : 118,112,351.24 = 48,920,018.64 : x
  2. Step 2: Convert to fraction form
    85,588,660.32/118,112,351.24 = 48,920,018.64/x
  3. Step 3: Cross multiply
    85,588,660.32x = 118,112,351.24 × 48,920,018.64
  4. Step 4: Simplify right side
    85,588,660.32x = 5,778,058,424,275,027
  5. Step 5: Solve for x
    x = 5,778,058,424,275,027/85,588,660.32
  6. Step 6: Final answer
    x = 67,509,625.72

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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.