Home / 272,801,611.20-409,202,416.80-163,962,494.40

Finding the Fourth Proportional to 272,801,611.20, 409,202,416.80 and 163,962,494.40

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Solution

The fourth proportional to 272,801,611.20, 409,202,416.80 and 163,962,494.40 is: 245,943,741.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,801,611.20 : 409,202,416.80 = 163,962,494.40 : x
  2. Step 2: Convert to fraction form
    272,801,611.20/409,202,416.80 = 163,962,494.40/x
  3. Step 3: Cross multiply
    272,801,611.20x = 409,202,416.80 × 163,962,494.40
  4. Step 4: Simplify right side
    272,801,611.20x = 67,093,848,973,036,472
  5. Step 5: Solve for x
    x = 67,093,848,973,036,472/272,801,611.20
  6. Step 6: Final answer
    x = 245,943,741.60

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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.