Home / 56,281,548.52-77,717,009.40-35,408,372.86

Finding the Fourth Proportional to 56,281,548.52, 77,717,009.40 and 35,408,372.86

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Solution

The fourth proportional to 56,281,548.52, 77,717,009.40 and 35,408,372.86 is: 48,894,049.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,281,548.52 : 77,717,009.40 = 35,408,372.86 : x
  2. Step 2: Convert to fraction form
    56,281,548.52/77,717,009.40 = 35,408,372.86/x
  3. Step 3: Cross multiply
    56,281,548.52x = 77,717,009.40 × 35,408,372.86
  4. Step 4: Simplify right side
    56,281,548.52x = 2,751,832,846,399,325
  5. Step 5: Solve for x
    x = 2,751,832,846,399,325/56,281,548.52
  6. Step 6: Final answer
    x = 48,894,049.98

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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.