Home / 80,852,765.70-121,279,148.55-44,447,088.90

Finding the Fourth Proportional to 80,852,765.70, 121,279,148.55 and 44,447,088.90

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Solution

The fourth proportional to 80,852,765.70, 121,279,148.55 and 44,447,088.90 is: 66,670,633.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,765.70 : 121,279,148.55 = 44,447,088.90 : x
  2. Step 2: Convert to fraction form
    80,852,765.70/121,279,148.55 = 44,447,088.90/x
  3. Step 3: Cross multiply
    80,852,765.70x = 121,279,148.55 × 44,447,088.90
  4. Step 4: Simplify right side
    80,852,765.70x = 5,390,505,097,318,156
  5. Step 5: Solve for x
    x = 5,390,505,097,318,156/80,852,765.70
  6. Step 6: Final answer
    x = 66,670,633.35

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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.