Home / 66,768,176.40-92,140,624.52-36,999,321.78

Finding the Fourth Proportional to 66,768,176.40, 92,140,624.52 and 36,999,321.78

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Solution

The fourth proportional to 66,768,176.40, 92,140,624.52 and 36,999,321.78 is: 51,059,363.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,768,176.40 : 92,140,624.52 = 36,999,321.78 : x
  2. Step 2: Convert to fraction form
    66,768,176.40/92,140,624.52 = 36,999,321.78/x
  3. Step 3: Cross multiply
    66,768,176.40x = 92,140,624.52 × 36,999,321.78
  4. Step 4: Simplify right side
    66,768,176.40x = 3,409,140,615,625,638
  5. Step 5: Solve for x
    x = 3,409,140,615,625,638/66,768,176.40
  6. Step 6: Final answer
    x = 51,059,363.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.