Home / 76,977,075.32-115,503,550.16-36,039,286.52

Finding the Fourth Proportional to 76,977,075.32, 115,503,550.16 and 36,039,286.52

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Solution

The fourth proportional to 76,977,075.32, 115,503,550.16 and 36,039,286.52 is: 54,076,691.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,977,075.32 : 115,503,550.16 = 36,039,286.52 : x
  2. Step 2: Convert to fraction form
    76,977,075.32/115,503,550.16 = 36,039,286.52/x
  3. Step 3: Cross multiply
    76,977,075.32x = 115,503,550.16 × 36,039,286.52
  4. Step 4: Simplify right side
    76,977,075.32x = 4,162,665,538,293,432
  5. Step 5: Solve for x
    x = 4,162,665,538,293,432/76,977,075.32
  6. Step 6: Final answer
    x = 54,076,691.29

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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.