Home / 209,220,721.04-313,901,707.89-92,619,993.08

Finding the Fourth Proportional to 209,220,721.04, 313,901,707.89 and 92,619,993.08

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Solution

The fourth proportional to 209,220,721.04, 313,901,707.89 and 92,619,993.08 is: 138,961,255.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,220,721.04 : 313,901,707.89 = 92,619,993.08 : x
  2. Step 2: Convert to fraction form
    209,220,721.04/313,901,707.89 = 92,619,993.08/x
  3. Step 3: Cross multiply
    209,220,721.04x = 313,901,707.89 × 92,619,993.08
  4. Step 4: Simplify right side
    209,220,721.04x = 29,073,574,012,571,980
  5. Step 5: Solve for x
    x = 29,073,574,012,571,980/209,220,721.04
  6. Step 6: Final answer
    x = 138,961,255.21

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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.