Home / 174,212,701.82-261,500,649.47-77,236,512.92

Finding the Fourth Proportional to 174,212,701.82, 261,500,649.47 and 77,236,512.92

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Solution

The fourth proportional to 174,212,701.82, 261,500,649.47 and 77,236,512.92 is: 115,935,279.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,212,701.82 : 261,500,649.47 = 77,236,512.92 : x
  2. Step 2: Convert to fraction form
    174,212,701.82/261,500,649.47 = 77,236,512.92/x
  3. Step 3: Cross multiply
    174,212,701.82x = 261,500,649.47 × 77,236,512.92
  4. Step 4: Simplify right side
    174,212,701.82x = 20,197,398,289,684,364
  5. Step 5: Solve for x
    x = 20,197,398,289,684,364/174,212,701.82
  6. Step 6: Final answer
    x = 115,935,279.57

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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.