Home / 57,183,419.38-78,913,728.32-31,077,938.56

Finding the Fourth Proportional to 57,183,419.38, 78,913,728.32 and 31,077,938.56

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Solution

The fourth proportional to 57,183,419.38, 78,913,728.32 and 31,077,938.56 is: 42,887,886.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,183,419.38 : 78,913,728.32 = 31,077,938.56 : x
  2. Step 2: Convert to fraction form
    57,183,419.38/78,913,728.32 = 31,077,938.56/x
  3. Step 3: Cross multiply
    57,183,419.38x = 78,913,728.32 × 31,077,938.56
  4. Step 4: Simplify right side
    57,183,419.38x = 2,452,476,000,269,491.50
  5. Step 5: Solve for x
    x = 2,452,476,000,269,491.50/57,183,419.38
  6. Step 6: Final answer
    x = 42,887,886.50

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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.