Home / 66,024,018.72-99,510,601.32-56,911,972.73

Finding the Fourth Proportional to 66,024,018.72, 99,510,601.32 and 56,911,972.73

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Solution

The fourth proportional to 66,024,018.72, 99,510,601.32 and 56,911,972.73 is: 85,777,035.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,024,018.72 : 99,510,601.32 = 56,911,972.73 : x
  2. Step 2: Convert to fraction form
    66,024,018.72/99,510,601.32 = 56,911,972.73/x
  3. Step 3: Cross multiply
    66,024,018.72x = 99,510,601.32 × 56,911,972.73
  4. Step 4: Simplify right side
    66,024,018.72x = 5,663,344,628,669,741
  5. Step 5: Solve for x
    x = 5,663,344,628,669,741/66,024,018.72
  6. Step 6: Final answer
    x = 85,777,035.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.