Home / 138,749,074,468.99-208,083,236,090.87-53,739,908,747.46

Finding the Fourth Proportional to 138,749,074,468.99, 208,083,236,090.87 and 53,739,908,747.46

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Solution

The fourth proportional to 138,749,074,468.99, 208,083,236,090.87 and 53,739,908,747.46 is: 80,594,224,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,749,074,468.99 : 208,083,236,090.87 = 53,739,908,747.46 : x
  2. Step 2: Convert to fraction form
    138,749,074,468.99/208,083,236,090.87 = 53,739,908,747.46/x
  3. Step 3: Cross multiply
    138,749,074,468.99x = 208,083,236,090.87 × 53,739,908,747.46
  4. Step 4: Simplify right side
    138,749,074,468.99x = 11,182,374,119,399,529,381,888
  5. Step 5: Solve for x
    x = 11,182,374,119,399,529,381,888/138,749,074,468.99
  6. Step 6: Final answer
    x = 80,594,224,950.30

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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.