Home / 217,632,943.02-300,333,480.27-118,513,660.79

Finding the Fourth Proportional to 217,632,943.02, 300,333,480.27 and 118,513,660.79

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Solution

The fourth proportional to 217,632,943.02, 300,333,480.27 and 118,513,660.79 is: 163,548,862.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,632,943.02 : 300,333,480.27 = 118,513,660.79 : x
  2. Step 2: Convert to fraction form
    217,632,943.02/300,333,480.27 = 118,513,660.79/x
  3. Step 3: Cross multiply
    217,632,943.02x = 300,333,480.27 × 118,513,660.79
  4. Step 4: Simplify right side
    217,632,943.02x = 35,593,620,203,097,268
  5. Step 5: Solve for x
    x = 35,593,620,203,097,268/217,632,943.02
  6. Step 6: Final answer
    x = 163,548,862.18

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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.