Home / 193,549,434.30-290,324,151.45-145,773,690.30

Finding the Fourth Proportional to 193,549,434.30, 290,324,151.45 and 145,773,690.30

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Solution

The fourth proportional to 193,549,434.30, 290,324,151.45 and 145,773,690.30 is: 218,660,535.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,549,434.30 : 290,324,151.45 = 145,773,690.30 : x
  2. Step 2: Convert to fraction form
    193,549,434.30/290,324,151.45 = 145,773,690.30/x
  3. Step 3: Cross multiply
    193,549,434.30x = 290,324,151.45 × 145,773,690.30
  4. Step 4: Simplify right side
    193,549,434.30x = 42,321,622,940,082,600
  5. Step 5: Solve for x
    x = 42,321,622,940,082,600/193,549,434.30
  6. Step 6: Final answer
    x = 218,660,535.45

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Double scale
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Similar ratio
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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.