Home / 245,718,196.69-368,629,059.51-79,708,739.16

Finding the Fourth Proportional to 245,718,196.69, 368,629,059.51 and 79,708,739.16

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Solution

The fourth proportional to 245,718,196.69, 368,629,059.51 and 79,708,739.16 is: 119,579,900.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,718,196.69 : 368,629,059.51 = 79,708,739.16 : x
  2. Step 2: Convert to fraction form
    245,718,196.69/368,629,059.51 = 79,708,739.16/x
  3. Step 3: Cross multiply
    245,718,196.69x = 368,629,059.51 × 79,708,739.16
  4. Step 4: Simplify right side
    245,718,196.69x = 29,382,957,551,820,832
  5. Step 5: Solve for x
    x = 29,382,957,551,820,832/245,718,196.69
  6. Step 6: Final answer
    x = 119,579,900.67

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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.