Home / 57,183,417.37-78,913,725.56-31,077,936.55

Finding the Fourth Proportional to 57,183,417.37, 78,913,725.56 and 31,077,936.55

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Solution

The fourth proportional to 57,183,417.37, 78,913,725.56 and 31,077,936.55 is: 42,887,883.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,183,417.37 : 78,913,725.56 = 31,077,936.55 : x
  2. Step 2: Convert to fraction form
    57,183,417.37/78,913,725.56 = 31,077,936.55/x
  3. Step 3: Cross multiply
    57,183,417.37x = 78,913,725.56 × 31,077,936.55
  4. Step 4: Simplify right side
    57,183,417.37x = 2,452,475,755,877,793.50
  5. Step 5: Solve for x
    x = 2,452,475,755,877,793.50/57,183,417.37
  6. Step 6: Final answer
    x = 42,887,883.74

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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.