Home / 91,643,946.10-126,467,756.46-49,828,010.82

Finding the Fourth Proportional to 91,643,946.10, 126,467,756.46 and 49,828,010.82

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Solution

The fourth proportional to 91,643,946.10, 126,467,756.46 and 49,828,010.82 is: 68,762,171.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,643,946.10 : 126,467,756.46 = 49,828,010.82 : x
  2. Step 2: Convert to fraction form
    91,643,946.10/126,467,756.46 = 49,828,010.82/x
  3. Step 3: Cross multiply
    91,643,946.10x = 126,467,756.46 × 49,828,010.82
  4. Step 4: Simplify right side
    91,643,946.10x = 6,301,636,737,270,005
  5. Step 5: Solve for x
    x = 6,301,636,737,270,005/91,643,946.10
  6. Step 6: Final answer
    x = 68,762,171.48

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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.