Home / 313,270,252.32-432,287,639.72-181,119,765.12

Finding the Fourth Proportional to 313,270,252.32, 432,287,639.72 and 181,119,765.12

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Solution

The fourth proportional to 313,270,252.32, 432,287,639.72 and 181,119,765.12 is: 249,930,643.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,270,252.32 : 432,287,639.72 = 181,119,765.12 : x
  2. Step 2: Convert to fraction form
    313,270,252.32/432,287,639.72 = 181,119,765.12/x
  3. Step 3: Cross multiply
    313,270,252.32x = 432,287,639.72 × 181,119,765.12
  4. Step 4: Simplify right side
    313,270,252.32x = 78,295,835,770,365,584
  5. Step 5: Solve for x
    x = 78,295,835,770,365,584/313,270,252.32
  6. Step 6: Final answer
    x = 249,930,643.56

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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.