Home / 87,950,973.80-121,321,917.38-54,853,762.18

Finding the Fourth Proportional to 87,950,973.80, 121,321,917.38 and 54,853,762.18

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Solution

The fourth proportional to 87,950,973.80, 121,321,917.38 and 54,853,762.18 is: 75,666,741.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,950,973.80 : 121,321,917.38 = 54,853,762.18 : x
  2. Step 2: Convert to fraction form
    87,950,973.80/121,321,917.38 = 54,853,762.18/x
  3. Step 3: Cross multiply
    87,950,973.80x = 121,321,917.38 × 54,853,762.18
  4. Step 4: Simplify right side
    87,950,973.80x = 6,654,963,603,184,128
  5. Step 5: Solve for x
    x = 6,654,963,603,184,128/87,950,973.80
  6. Step 6: Final answer
    x = 75,666,741.55

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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.