Home / 90,931,360.86-136,380,609.60-26,219,255.58

Finding the Fourth Proportional to 90,931,360.86, 136,380,609.60 and 26,219,255.58

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Solution

The fourth proportional to 90,931,360.86, 136,380,609.60 and 26,219,255.58 is: 39,324,145.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,931,360.86 : 136,380,609.60 = 26,219,255.58 : x
  2. Step 2: Convert to fraction form
    90,931,360.86/136,380,609.60 = 26,219,255.58/x
  3. Step 3: Cross multiply
    90,931,360.86x = 136,380,609.60 × 26,219,255.58
  4. Step 4: Simplify right side
    90,931,360.86x = 3,575,798,059,258,601
  5. Step 5: Solve for x
    x = 3,575,798,059,258,601/90,931,360.86
  6. Step 6: Final answer
    x = 39,324,145.44

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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.