Home / 52,403,262,369.77-78,524,907,616.33-31,113,787,708.87

Finding the Fourth Proportional to 52,403,262,369.77, 78,524,907,616.33 and 31,113,787,708.87

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Solution

The fourth proportional to 52,403,262,369.77, 78,524,907,616.33 and 31,113,787,708.87 is: 46,623,190,903.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,403,262,369.77 : 78,524,907,616.33 = 31,113,787,708.87 : x
  2. Step 2: Convert to fraction form
    52,403,262,369.77/78,524,907,616.33 = 31,113,787,708.87/x
  3. Step 3: Cross multiply
    52,403,262,369.77x = 78,524,907,616.33 × 31,113,787,708.87
  4. Step 4: Simplify right side
    52,403,262,369.77x = 2,443,207,305,433,120,768,000
  5. Step 5: Solve for x
    x = 2,443,207,305,433,120,768,000/52,403,262,369.77
  6. Step 6: Final answer
    x = 46,623,190,903.52

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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.