Home / 66,804,819.20-100,207,228.80-60,347,811.05

Finding the Fourth Proportional to 66,804,819.20, 100,207,228.80 and 60,347,811.05

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Solution

The fourth proportional to 66,804,819.20, 100,207,228.80 and 60,347,811.05 is: 90,521,716.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,804,819.20 : 100,207,228.80 = 60,347,811.05 : x
  2. Step 2: Convert to fraction form
    66,804,819.20/100,207,228.80 = 60,347,811.05/x
  3. Step 3: Cross multiply
    66,804,819.20x = 100,207,228.80 × 60,347,811.05
  4. Step 4: Simplify right side
    66,804,819.20x = 6,047,286,909,466,518
  5. Step 5: Solve for x
    x = 6,047,286,909,466,518/66,804,819.20
  6. Step 6: Final answer
    x = 90,521,716.58

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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.