Home / 312,133,570.20-468,058,637.70-117,980,458.20

Finding the Fourth Proportional to 312,133,570.20, 468,058,637.70 and 117,980,458.20

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Solution

The fourth proportional to 312,133,570.20, 468,058,637.70 and 117,980,458.20 is: 176,917,120.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,133,570.20 : 468,058,637.70 = 117,980,458.20 : x
  2. Step 2: Convert to fraction form
    312,133,570.20/468,058,637.70 = 117,980,458.20/x
  3. Step 3: Cross multiply
    312,133,570.20x = 468,058,637.70 × 117,980,458.20
  4. Step 4: Simplify right side
    312,133,570.20x = 55,221,772,540,313,792
  5. Step 5: Solve for x
    x = 55,221,772,540,313,792/312,133,570.20
  6. Step 6: Final answer
    x = 176,917,120.79

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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.