Home / 293,598,931.20-405,178,199.28-161,450,761.92

Finding the Fourth Proportional to 293,598,931.20, 405,178,199.28 and 161,450,761.92

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Solution

The fourth proportional to 293,598,931.20, 405,178,199.28 and 161,450,761.92 is: 222,808,471.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,598,931.20 : 405,178,199.28 = 161,450,761.92 : x
  2. Step 2: Convert to fraction form
    293,598,931.20/405,178,199.28 = 161,450,761.92/x
  3. Step 3: Cross multiply
    293,598,931.20x = 405,178,199.28 × 161,450,761.92
  4. Step 4: Simplify right side
    293,598,931.20x = 65,416,328,987,129,584
  5. Step 5: Solve for x
    x = 65,416,328,987,129,584/293,598,931.20
  6. Step 6: Final answer
    x = 222,808,471.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.