Home / 57,141,758.64-78,856,199.82-31,036,787.04

Finding the Fourth Proportional to 57,141,758.64, 78,856,199.82 and 31,036,787.04

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Solution

The fourth proportional to 57,141,758.64, 78,856,199.82 and 31,036,787.04 is: 42,831,077.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,141,758.64 : 78,856,199.82 = 31,036,787.04 : x
  2. Step 2: Convert to fraction form
    57,141,758.64/78,856,199.82 = 31,036,787.04/x
  3. Step 3: Cross multiply
    57,141,758.64x = 78,856,199.82 × 31,036,787.04
  4. Step 4: Simplify right side
    57,141,758.64x = 2,447,443,080,597,026
  5. Step 5: Solve for x
    x = 2,447,443,080,597,026/57,141,758.64
  6. Step 6: Final answer
    x = 42,831,077.29

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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.