Home / 293,593,643.60-440,376,468.60-99,486,021.20

Finding the Fourth Proportional to 293,593,643.60, 440,376,468.60 and 99,486,021.20

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Solution

The fourth proportional to 293,593,643.60, 440,376,468.60 and 99,486,021.20 is: 149,224,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,593,643.60 : 440,376,468.60 = 99,486,021.20 : x
  2. Step 2: Convert to fraction form
    293,593,643.60/440,376,468.60 = 99,486,021.20/x
  3. Step 3: Cross multiply
    293,593,643.60x = 440,376,468.60 × 99,486,021.20
  4. Step 4: Simplify right side
    293,593,643.60x = 43,811,302,691,120,736
  5. Step 5: Solve for x
    x = 43,811,302,691,120,736/293,593,643.60
  6. Step 6: Final answer
    x = 149,224,288.90

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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.