Home / 138,749,074,469.07-208,083,236,090.98-53,739,908,747.52

Finding the Fourth Proportional to 138,749,074,469.07, 208,083,236,090.98 and 53,739,908,747.52

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Solution

The fourth proportional to 138,749,074,469.07, 208,083,236,090.98 and 53,739,908,747.52 is: 80,594,224,950.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,749,074,469.07 : 208,083,236,090.98 = 53,739,908,747.52 : x
  2. Step 2: Convert to fraction form
    138,749,074,469.07/208,083,236,090.98 = 53,739,908,747.52/x
  3. Step 3: Cross multiply
    138,749,074,469.07x = 208,083,236,090.98 × 53,739,908,747.52
  4. Step 4: Simplify right side
    138,749,074,469.07x = 11,182,374,119,417,925,599,232
  5. Step 5: Solve for x
    x = 11,182,374,119,417,925,599,232/138,749,074,469.07
  6. Step 6: Final answer
    x = 80,594,224,950.38

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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.