Home / 291,020,667.25-401,612,756.09-165,570,163.14

Finding the Fourth Proportional to 291,020,667.25, 401,612,756.09 and 165,570,163.14

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Solution

The fourth proportional to 291,020,667.25, 401,612,756.09 and 165,570,163.14 is: 228,489,234.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,020,667.25 : 401,612,756.09 = 165,570,163.14 : x
  2. Step 2: Convert to fraction form
    291,020,667.25/401,612,756.09 = 165,570,163.14/x
  3. Step 3: Cross multiply
    291,020,667.25x = 401,612,756.09 × 165,570,163.14
  4. Step 4: Simplify right side
    291,020,667.25x = 66,495,089,543,580,920
  5. Step 5: Solve for x
    x = 66,495,089,543,580,920/291,020,667.25
  6. Step 6: Final answer
    x = 228,489,234.71

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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.