Home / 190,958,836.40-286,638,583.44-169,238,164.40

Finding the Fourth Proportional to 190,958,836.40, 286,638,583.44 and 169,238,164.40

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Solution

The fourth proportional to 190,958,836.40, 286,638,583.44 and 169,238,164.40 is: 254,034,788.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,958,836.40 : 286,638,583.44 = 169,238,164.40 : x
  2. Step 2: Convert to fraction form
    190,958,836.40/286,638,583.44 = 169,238,164.40/x
  3. Step 3: Cross multiply
    190,958,836.40x = 286,638,583.44 × 169,238,164.40
  4. Step 4: Simplify right side
    190,958,836.40x = 48,510,187,707,601,840
  5. Step 5: Solve for x
    x = 48,510,187,707,601,840/190,958,836.40
  6. Step 6: Final answer
    x = 254,034,788.97

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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.