Home / 56,168,672.40-84,253,008.60-45,965,005.20

Finding the Fourth Proportional to 56,168,672.40, 84,253,008.60 and 45,965,005.20

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Solution

The fourth proportional to 56,168,672.40, 84,253,008.60 and 45,965,005.20 is: 68,947,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,168,672.40 : 84,253,008.60 = 45,965,005.20 : x
  2. Step 2: Convert to fraction form
    56,168,672.40/84,253,008.60 = 45,965,005.20/x
  3. Step 3: Cross multiply
    56,168,672.40x = 84,253,008.60 × 45,965,005.20
  4. Step 4: Simplify right side
    56,168,672.40x = 3,872,689,978,414,644.50
  5. Step 5: Solve for x
    x = 3,872,689,978,414,644.50/56,168,672.40
  6. Step 6: Final answer
    x = 68,947,507.80

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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.