Home / 80,852,749.20-121,279,123.80-44,447,072.40

Finding the Fourth Proportional to 80,852,749.20, 121,279,123.80 and 44,447,072.40

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Solution

The fourth proportional to 80,852,749.20, 121,279,123.80 and 44,447,072.40 is: 66,670,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,749.20 : 121,279,123.80 = 44,447,072.40 : x
  2. Step 2: Convert to fraction form
    80,852,749.20/121,279,123.80 = 44,447,072.40/x
  3. Step 3: Cross multiply
    80,852,749.20x = 121,279,123.80 × 44,447,072.40
  4. Step 4: Simplify right side
    80,852,749.20x = 5,390,501,996,147,163
  5. Step 5: Solve for x
    x = 5,390,501,996,147,163/80,852,749.20
  6. Step 6: Final answer
    x = 66,670,608.60

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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.