Home / 87,634,317.15-120,905,984.48-50,463,796.23

Finding the Fourth Proportional to 87,634,317.15, 120,905,984.48 and 50,463,796.23

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Solution

The fourth proportional to 87,634,317.15, 120,905,984.48 and 50,463,796.23 is: 69,623,124.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,634,317.15 : 120,905,984.48 = 50,463,796.23 : x
  2. Step 2: Convert to fraction form
    87,634,317.15/120,905,984.48 = 50,463,796.23/x
  3. Step 3: Cross multiply
    87,634,317.15x = 120,905,984.48 × 50,463,796.23
  4. Step 4: Simplify right side
    87,634,317.15x = 6,101,374,963,533,943
  5. Step 5: Solve for x
    x = 6,101,374,963,533,943/87,634,317.15
  6. Step 6: Final answer
    x = 69,623,124.39

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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.