Home / 121,279,247.55-181,918,871.33-66,670,732.35

Finding the Fourth Proportional to 121,279,247.55, 181,918,871.33 and 66,670,732.35

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Solution

The fourth proportional to 121,279,247.55, 181,918,871.33 and 66,670,732.35 is: 100,006,098.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,279,247.55 : 181,918,871.33 = 66,670,732.35 : x
  2. Step 2: Convert to fraction form
    121,279,247.55/181,918,871.33 = 66,670,732.35/x
  3. Step 3: Cross multiply
    121,279,247.55x = 181,918,871.33 × 66,670,732.35
  4. Step 4: Simplify right side
    121,279,247.55x = 12,128,664,379,523,164
  5. Step 5: Solve for x
    x = 12,128,664,379,523,164/121,279,247.55
  6. Step 6: Final answer
    x = 100,006,098.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.