Home / 150,059,261.72-207,120,710.94-84,906,957.08

Finding the Fourth Proportional to 150,059,261.72, 207,120,710.94 and 84,906,957.08

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Solution

The fourth proportional to 150,059,261.72, 207,120,710.94 and 84,906,957.08 is: 117,193,628.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,059,261.72 : 207,120,710.94 = 84,906,957.08 : x
  2. Step 2: Convert to fraction form
    150,059,261.72/207,120,710.94 = 84,906,957.08/x
  3. Step 3: Cross multiply
    150,059,261.72x = 207,120,710.94 × 84,906,957.08
  4. Step 4: Simplify right side
    150,059,261.72x = 17,585,989,314,161,666
  5. Step 5: Solve for x
    x = 17,585,989,314,161,666/150,059,261.72
  6. Step 6: Final answer
    x = 117,193,628.12

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1.5x scale

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.