Home / 91,643,940.33-126,467,748.54-49,828,005.07

Finding the Fourth Proportional to 91,643,940.33, 126,467,748.54 and 49,828,005.07

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Solution

The fourth proportional to 91,643,940.33, 126,467,748.54 and 49,828,005.07 is: 68,762,163.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,643,940.33 : 126,467,748.54 = 49,828,005.07 : x
  2. Step 2: Convert to fraction form
    91,643,940.33/126,467,748.54 = 49,828,005.07/x
  3. Step 3: Cross multiply
    91,643,940.33x = 126,467,748.54 × 49,828,005.07
  4. Step 4: Simplify right side
    91,643,940.33x = 6,301,635,615,059,222
  5. Step 5: Solve for x
    x = 6,301,635,615,059,222/91,643,940.33
  6. Step 6: Final answer
    x = 68,762,163.57

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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.