Home / 193,536,276.30-290,304,414.45-145,760,532.30

Finding the Fourth Proportional to 193,536,276.30, 290,304,414.45 and 145,760,532.30

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Solution

The fourth proportional to 193,536,276.30, 290,304,414.45 and 145,760,532.30 is: 218,640,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,536,276.30 : 290,304,414.45 = 145,760,532.30 : x
  2. Step 2: Convert to fraction form
    193,536,276.30/290,304,414.45 = 145,760,532.30/x
  3. Step 3: Cross multiply
    193,536,276.30x = 290,304,414.45 × 145,760,532.30
  4. Step 4: Simplify right side
    193,536,276.30x = 42,314,925,979,271,816
  5. Step 5: Solve for x
    x = 42,314,925,979,271,816/193,536,276.30
  6. Step 6: Final answer
    x = 218,640,798.45

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Double scale
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1.5x scale

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.