Home / 117,958,778.43-176,938,015.10-31,697,186.51

Finding the Fourth Proportional to 117,958,778.43, 176,938,015.10 and 31,697,186.51

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Solution

The fourth proportional to 117,958,778.43, 176,938,015.10 and 31,697,186.51 is: 47,545,738.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,958,778.43 : 176,938,015.10 = 31,697,186.51 : x
  2. Step 2: Convert to fraction form
    117,958,778.43/176,938,015.10 = 31,697,186.51/x
  3. Step 3: Cross multiply
    117,958,778.43x = 176,938,015.10 × 31,697,186.51
  4. Step 4: Simplify right side
    117,958,778.43x = 5,608,437,264,290,720
  5. Step 5: Solve for x
    x = 5,608,437,264,290,720/117,958,778.43
  6. Step 6: Final answer
    x = 47,545,738.77

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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.