Home / 221,805,505.04-306,071,055.41-122,684,119.16

Finding the Fourth Proportional to 221,805,505.04, 306,071,055.41 and 122,684,119.16

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Solution

The fourth proportional to 221,805,505.04, 306,071,055.41 and 122,684,119.16 is: 169,292,722.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,805,505.04 : 306,071,055.41 = 122,684,119.16 : x
  2. Step 2: Convert to fraction form
    221,805,505.04/306,071,055.41 = 122,684,119.16/x
  3. Step 3: Cross multiply
    221,805,505.04x = 306,071,055.41 × 122,684,119.16
  4. Step 4: Simplify right side
    221,805,505.04x = 37,550,057,831,203,624
  5. Step 5: Solve for x
    x = 37,550,057,831,203,624/221,805,505.04
  6. Step 6: Final answer
    x = 169,292,722.58

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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.