Home / 87,776,440.45-121,131,485.62-48,620,739.47

Finding the Fourth Proportional to 87,776,440.45, 121,131,485.62 and 48,620,739.47

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Solution

The fourth proportional to 87,776,440.45, 121,131,485.62 and 48,620,739.47 is: 67,096,619.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,776,440.45 : 121,131,485.62 = 48,620,739.47 : x
  2. Step 2: Convert to fraction form
    87,776,440.45/121,131,485.62 = 48,620,739.47/x
  3. Step 3: Cross multiply
    87,776,440.45x = 121,131,485.62 × 48,620,739.47
  4. Step 4: Simplify right side
    87,776,440.45x = 5,889,502,403,338,415
  5. Step 5: Solve for x
    x = 5,889,502,403,338,415/87,776,440.45
  6. Step 6: Final answer
    x = 67,096,619.25

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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.