Home / 193,914,897.30-290,872,345.95-155,651,145.30

Finding the Fourth Proportional to 193,914,897.30, 290,872,345.95 and 155,651,145.30

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Solution

The fourth proportional to 193,914,897.30, 290,872,345.95 and 155,651,145.30 is: 233,476,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,914,897.30 : 290,872,345.95 = 155,651,145.30 : x
  2. Step 2: Convert to fraction form
    193,914,897.30/290,872,345.95 = 155,651,145.30/x
  3. Step 3: Cross multiply
    193,914,897.30x = 290,872,345.95 × 155,651,145.30
  4. Step 4: Simplify right side
    193,914,897.30x = 45,274,613,783,215,320
  5. Step 5: Solve for x
    x = 45,274,613,783,215,320/193,914,897.30
  6. Step 6: Final answer
    x = 233,476,717.95

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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.