Home / 193,533,687.20-290,300,530.80-178,753,066.40

Finding the Fourth Proportional to 193,533,687.20, 290,300,530.80 and 178,753,066.40

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Solution

The fourth proportional to 193,533,687.20, 290,300,530.80 and 178,753,066.40 is: 268,129,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,533,687.20 : 290,300,530.80 = 178,753,066.40 : x
  2. Step 2: Convert to fraction form
    193,533,687.20/290,300,530.80 = 178,753,066.40/x
  3. Step 3: Cross multiply
    193,533,687.20x = 290,300,530.80 × 178,753,066.40
  4. Step 4: Simplify right side
    193,533,687.20x = 51,892,110,058,047,648
  5. Step 5: Solve for x
    x = 51,892,110,058,047,648/193,533,687.20
  6. Step 6: Final answer
    x = 268,129,599.60

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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.