Home / 91,796,261.49-126,677,652.57-49,979,847.17

Finding the Fourth Proportional to 91,796,261.49, 126,677,652.57 and 49,979,847.17

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Solution

The fourth proportional to 91,796,261.49, 126,677,652.57 and 49,979,847.17 is: 68,971,542.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,796,261.49 : 126,677,652.57 = 49,979,847.17 : x
  2. Step 2: Convert to fraction form
    91,796,261.49/126,677,652.57 = 49,979,847.17/x
  3. Step 3: Cross multiply
    91,796,261.49x = 126,677,652.57 × 49,979,847.17
  4. Step 4: Simplify right side
    91,796,261.49x = 6,331,329,714,856,994
  5. Step 5: Solve for x
    x = 6,331,329,714,856,994/91,796,261.49
  6. Step 6: Final answer
    x = 68,971,542.11

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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.