Home / 91,643,945.10-126,467,755.08-49,828,009.82

Finding the Fourth Proportional to 91,643,945.10, 126,467,755.08 and 49,828,009.82

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Solution

The fourth proportional to 91,643,945.10, 126,467,755.08 and 49,828,009.82 is: 68,762,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,643,945.10 : 126,467,755.08 = 49,828,009.82 : x
  2. Step 2: Convert to fraction form
    91,643,945.10/126,467,755.08 = 49,828,009.82/x
  3. Step 3: Cross multiply
    91,643,945.10x = 126,467,755.08 × 49,828,009.82
  4. Step 4: Simplify right side
    91,643,945.10x = 6,301,636,541,220,401
  5. Step 5: Solve for x
    x = 6,301,636,541,220,401/91,643,945.10
  6. Step 6: Final answer
    x = 68,762,170.10

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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.