Home / 245,919,039.51-368,651,555.91-122,990,386.62

Finding the Fourth Proportional to 245,919,039.51, 368,651,555.91 and 122,990,386.62

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Solution

The fourth proportional to 245,919,039.51, 368,651,555.91 and 122,990,386.62 is: 184,372,049.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,919,039.51 : 368,651,555.91 = 122,990,386.62 : x
  2. Step 2: Convert to fraction form
    245,919,039.51/368,651,555.91 = 122,990,386.62/x
  3. Step 3: Cross multiply
    245,919,039.51x = 368,651,555.91 × 122,990,386.62
  4. Step 4: Simplify right side
    245,919,039.51x = 45,340,597,389,435,448
  5. Step 5: Solve for x
    x = 45,340,597,389,435,448/245,919,039.51
  6. Step 6: Final answer
    x = 184,372,049.76

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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.