Home / 260,915,839.36-360,064,089.93-143,443,168.27

Finding the Fourth Proportional to 260,915,839.36, 360,064,089.93 and 143,443,168.27

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Solution

The fourth proportional to 260,915,839.36, 360,064,089.93 and 143,443,168.27 is: 197,951,699.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,915,839.36 : 360,064,089.93 = 143,443,168.27 : x
  2. Step 2: Convert to fraction form
    260,915,839.36/360,064,089.93 = 143,443,168.27/x
  3. Step 3: Cross multiply
    260,915,839.36x = 360,064,089.93 × 143,443,168.27
  4. Step 4: Simplify right side
    260,915,839.36x = 51,648,733,839,813,408
  5. Step 5: Solve for x
    x = 51,648,733,839,813,408/260,915,839.36
  6. Step 6: Final answer
    x = 197,951,699.55

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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.