Home / 91,597,713.05-126,405,820.53-49,781,778.14

Finding the Fourth Proportional to 91,597,713.05, 126,405,820.53 and 49,781,778.14

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Solution

The fourth proportional to 91,597,713.05, 126,405,820.53 and 49,781,778.14 is: 68,699,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,597,713.05 : 126,405,820.53 = 49,781,778.14 : x
  2. Step 2: Convert to fraction form
    91,597,713.05/126,405,820.53 = 49,781,778.14/x
  3. Step 3: Cross multiply
    91,597,713.05x = 126,405,820.53 × 49,781,778.14
  4. Step 4: Simplify right side
    91,597,713.05x = 6,292,706,512,597,088
  5. Step 5: Solve for x
    x = 6,292,706,512,597,088/91,597,713.05
  6. Step 6: Final answer
    x = 68,699,384.55

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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.