Home / 54,786,812.43-75,607,024.68-31,264,880.76

Finding the Fourth Proportional to 54,786,812.43, 75,607,024.68 and 31,264,880.76

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Solution

The fourth proportional to 54,786,812.43, 75,607,024.68 and 31,264,880.76 is: 43,146,233.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,786,812.43 : 75,607,024.68 = 31,264,880.76 : x
  2. Step 2: Convert to fraction form
    54,786,812.43/75,607,024.68 = 31,264,880.76/x
  3. Step 3: Cross multiply
    54,786,812.43x = 75,607,024.68 × 31,264,880.76
  4. Step 4: Simplify right side
    54,786,812.43x = 2,363,844,611,238,577.50
  5. Step 5: Solve for x
    x = 2,363,844,611,238,577.50/54,786,812.43
  6. Step 6: Final answer
    x = 43,146,233.67

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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.