Home / 66,685,340.60-99,972,023.70-34,772,636.60

Finding the Fourth Proportional to 66,685,340.60, 99,972,023.70 and 34,772,636.60

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Solution

The fourth proportional to 66,685,340.60, 99,972,023.70 and 34,772,636.60 is: 52,129,760.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,685,340.60 : 99,972,023.70 = 34,772,636.60 : x
  2. Step 2: Convert to fraction form
    66,685,340.60/99,972,023.70 = 34,772,636.60/x
  3. Step 3: Cross multiply
    66,685,340.60x = 99,972,023.70 × 34,772,636.60
  4. Step 4: Simplify right side
    66,685,340.60x = 3,476,290,850,286,687.50
  5. Step 5: Solve for x
    x = 3,476,290,850,286,687.50/66,685,340.60
  6. Step 6: Final answer
    x = 52,129,760.74

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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.