Home / 89,861,329,787.84-124,012,533,226.94-49,763,309,176.31

Finding the Fourth Proportional to 89,861,329,787.84, 124,012,533,226.94 and 49,763,309,176.31

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Solution

The fourth proportional to 89,861,329,787.84, 124,012,533,226.94 and 49,763,309,176.31 is: 68,675,525,359.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,861,329,787.84 : 124,012,533,226.94 = 49,763,309,176.31 : x
  2. Step 2: Convert to fraction form
    89,861,329,787.84/124,012,533,226.94 = 49,763,309,176.31/x
  3. Step 3: Cross multiply
    89,861,329,787.84x = 124,012,533,226.94 × 49,763,309,176.31
  4. Step 4: Simplify right side
    89,861,329,787.84x = 6,171,274,032,709,012,291,584
  5. Step 5: Solve for x
    x = 6,171,274,032,709,012,291,584/89,861,329,787.84
  6. Step 6: Final answer
    x = 68,675,525,359.79

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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.