Home / 239,747,548.40-330,627,068.88-159,136,973.60

Finding the Fourth Proportional to 239,747,548.40, 330,627,068.88 and 159,136,973.60

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Solution

The fourth proportional to 239,747,548.40, 330,627,068.88 and 159,136,973.60 is: 219,459,975.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,747,548.40 : 330,627,068.88 = 159,136,973.60 : x
  2. Step 2: Convert to fraction form
    239,747,548.40/330,627,068.88 = 159,136,973.60/x
  3. Step 3: Cross multiply
    239,747,548.40x = 330,627,068.88 × 159,136,973.60
  4. Step 4: Simplify right side
    239,747,548.40x = 52,614,991,131,801,936
  5. Step 5: Solve for x
    x = 52,614,991,131,801,936/239,747,548.40
  6. Step 6: Final answer
    x = 219,459,975.64

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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.