Home / 138,749,074,469.57-208,083,236,091.72-53,739,908,748.02

Finding the Fourth Proportional to 138,749,074,469.57, 208,083,236,091.72 and 53,739,908,748.02

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Solution

The fourth proportional to 138,749,074,469.57, 208,083,236,091.72 and 53,739,908,748.02 is: 80,594,224,951.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,749,074,469.57 : 208,083,236,091.72 = 53,739,908,748.02 : x
  2. Step 2: Convert to fraction form
    138,749,074,469.57/208,083,236,091.72 = 53,739,908,748.02/x
  3. Step 3: Cross multiply
    138,749,074,469.57x = 208,083,236,091.72 × 53,739,908,748.02
  4. Step 4: Simplify right side
    138,749,074,469.57x = 11,182,374,119,560,693,415,936
  5. Step 5: Solve for x
    x = 11,182,374,119,560,693,415,936/138,749,074,469.57
  6. Step 6: Final answer
    x = 80,594,224,951.12

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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.