Home / 56,745,667.08-85,110,520.30-18,407,518.12

Finding the Fourth Proportional to 56,745,667.08, 85,110,520.30 and 18,407,518.12

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Solution

The fourth proportional to 56,745,667.08, 85,110,520.30 and 18,407,518.12 is: 27,608,688.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,745,667.08 : 85,110,520.30 = 18,407,518.12 : x
  2. Step 2: Convert to fraction form
    56,745,667.08/85,110,520.30 = 18,407,518.12/x
  3. Step 3: Cross multiply
    56,745,667.08x = 85,110,520.30 × 18,407,518.12
  4. Step 4: Simplify right side
    56,745,667.08x = 1,566,673,444,624,877.75
  5. Step 5: Solve for x
    x = 1,566,673,444,624,877.75/56,745,667.08
  6. Step 6: Final answer
    x = 27,608,688.47

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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.