Home / 91,135,462.96-125,767,091.10-49,884,968.80

Finding the Fourth Proportional to 91,135,462.96, 125,767,091.10 and 49,884,968.80

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Solution

The fourth proportional to 91,135,462.96, 125,767,091.10 and 49,884,968.80 is: 68,841,340.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,135,462.96 : 125,767,091.10 = 49,884,968.80 : x
  2. Step 2: Convert to fraction form
    91,135,462.96/125,767,091.10 = 49,884,968.80/x
  3. Step 3: Cross multiply
    91,135,462.96x = 125,767,091.10 × 49,884,968.80
  4. Step 4: Simplify right side
    91,135,462.96x = 6,273,887,415,590,257
  5. Step 5: Solve for x
    x = 6,273,887,415,590,257/91,135,462.96
  6. Step 6: Final answer
    x = 68,841,340.26

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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.