Home / 147,734,216.39-203,874,020.15-80,753,264.53

Finding the Fourth Proportional to 147,734,216.39, 203,874,020.15 and 80,753,264.53

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Solution

The fourth proportional to 147,734,216.39, 203,874,020.15 and 80,753,264.53 is: 111,439,943.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,734,216.39 : 203,874,020.15 = 80,753,264.53 : x
  2. Step 2: Convert to fraction form
    147,734,216.39/203,874,020.15 = 80,753,264.53/x
  3. Step 3: Cross multiply
    147,734,216.39x = 203,874,020.15 × 80,753,264.53
  4. Step 4: Simplify right side
    147,734,216.39x = 16,463,492,679,054,050
  5. Step 5: Solve for x
    x = 16,463,492,679,054,050/147,734,216.39
  6. Step 6: Final answer
    x = 111,439,943.17

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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.