Home / 91,739,917.74-126,601,049.82-50,486,810.13

Finding the Fourth Proportional to 91,739,917.74, 126,601,049.82 and 50,486,810.13

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Solution

The fourth proportional to 91,739,917.74, 126,601,049.82 and 50,486,810.13 is: 69,671,777.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,739,917.74 : 126,601,049.82 = 50,486,810.13 : x
  2. Step 2: Convert to fraction form
    91,739,917.74/126,601,049.82 = 50,486,810.13/x
  3. Step 3: Cross multiply
    91,739,917.74x = 126,601,049.82 × 50,486,810.13
  4. Step 4: Simplify right side
    91,739,917.74x = 6,391,683,164,521,011
  5. Step 5: Solve for x
    x = 6,391,683,164,521,011/91,739,917.74
  6. Step 6: Final answer
    x = 69,671,777.80

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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.