Home / 56,831,173.72-85,251,191.82-20,444,295.40

Finding the Fourth Proportional to 56,831,173.72, 85,251,191.82 and 20,444,295.40

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Solution

The fourth proportional to 56,831,173.72, 85,251,191.82 and 20,444,295.40 is: 30,668,037.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,831,173.72 : 85,251,191.82 = 20,444,295.40 : x
  2. Step 2: Convert to fraction form
    56,831,173.72/85,251,191.82 = 20,444,295.40/x
  3. Step 3: Cross multiply
    56,831,173.72x = 85,251,191.82 × 20,444,295.40
  4. Step 4: Simplify right side
    56,831,173.72x = 1,742,900,548,770,143.25
  5. Step 5: Solve for x
    x = 1,742,900,548,770,143.25/56,831,173.72
  6. Step 6: Final answer
    x = 30,668,037.18

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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.