Home / 85,130,027.03-127,695,042.22-20,433,832.09

Finding the Fourth Proportional to 85,130,027.03, 127,695,042.22 and 20,433,832.09

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Solution

The fourth proportional to 85,130,027.03, 127,695,042.22 and 20,433,832.09 is: 30,650,748.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,130,027.03 : 127,695,042.22 = 20,433,832.09 : x
  2. Step 2: Convert to fraction form
    85,130,027.03/127,695,042.22 = 20,433,832.09/x
  3. Step 3: Cross multiply
    85,130,027.03x = 127,695,042.22 × 20,433,832.09
  4. Step 4: Simplify right side
    85,130,027.03x = 2,609,299,051,448,941
  5. Step 5: Solve for x
    x = 2,609,299,051,448,941/85,130,027.03
  6. Step 6: Final answer
    x = 30,650,748.54

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1.5x scale

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.