Home / 312,422,504.46-431,146,984.59-180,290,919.12

Finding the Fourth Proportional to 312,422,504.46, 431,146,984.59 and 180,290,919.12

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Solution

The fourth proportional to 312,422,504.46, 431,146,984.59 and 180,290,919.12 is: 248,803,735.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,422,504.46 : 431,146,984.59 = 180,290,919.12 : x
  2. Step 2: Convert to fraction form
    312,422,504.46/431,146,984.59 = 180,290,919.12/x
  3. Step 3: Cross multiply
    312,422,504.46x = 431,146,984.59 × 180,290,919.12
  4. Step 4: Simplify right side
    312,422,504.46x = 77,731,886,127,547,568
  5. Step 5: Solve for x
    x = 77,731,886,127,547,568/312,422,504.46
  6. Step 6: Final answer
    x = 248,803,735.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.