Home / 77,017,435.20-115,563,519.82-33,881,033.64

Finding the Fourth Proportional to 77,017,435.20, 115,563,519.82 and 33,881,033.64

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Solution

The fourth proportional to 77,017,435.20, 115,563,519.82 and 33,881,033.64 is: 50,837,988.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,017,435.20 : 115,563,519.82 = 33,881,033.64 : x
  2. Step 2: Convert to fraction form
    77,017,435.20/115,563,519.82 = 33,881,033.64/x
  3. Step 3: Cross multiply
    77,017,435.20x = 115,563,519.82 × 33,881,033.64
  4. Step 4: Simplify right side
    77,017,435.20x = 3,915,411,502,578,226.50
  5. Step 5: Solve for x
    x = 3,915,411,502,578,226.50/77,017,435.20
  6. Step 6: Final answer
    x = 50,837,988.73

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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.