Home / 52,702,787.56-78,939,046.70-21,903,988.26

Finding the Fourth Proportional to 52,702,787.56, 78,939,046.70 and 21,903,988.26

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Solution

The fourth proportional to 52,702,787.56, 78,939,046.70 and 21,903,988.26 is: 32,808,130.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,702,787.56 : 78,939,046.70 = 21,903,988.26 : x
  2. Step 2: Convert to fraction form
    52,702,787.56/78,939,046.70 = 21,903,988.26/x
  3. Step 3: Cross multiply
    52,702,787.56x = 78,939,046.70 × 21,903,988.26
  4. Step 4: Simplify right side
    52,702,787.56x = 1,729,079,952,172,392
  5. Step 5: Solve for x
    x = 1,729,079,952,172,392/52,702,787.56
  6. Step 6: Final answer
    x = 32,808,130.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.