Home / 146,593,621.72-219,815,083.14-77,543,558.20

Finding the Fourth Proportional to 146,593,621.72, 219,815,083.14 and 77,543,558.20

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Solution

The fourth proportional to 146,593,621.72, 219,815,083.14 and 77,543,558.20 is: 116,275,479.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,593,621.72 : 219,815,083.14 = 77,543,558.20 : x
  2. Step 2: Convert to fraction form
    146,593,621.72/219,815,083.14 = 77,543,558.20/x
  3. Step 3: Cross multiply
    146,593,621.72x = 219,815,083.14 × 77,543,558.20
  4. Step 4: Simplify right side
    146,593,621.72x = 17,045,243,692,704,428
  5. Step 5: Solve for x
    x = 17,045,243,692,704,428/146,593,621.72
  6. Step 6: Final answer
    x = 116,275,479.74

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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.