Home / 209,952,757.95-314,929,136.93-190,805,135.55

Finding the Fourth Proportional to 209,952,757.95, 314,929,136.93 and 190,805,135.55

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Solution

The fourth proportional to 209,952,757.95, 314,929,136.93 and 190,805,135.55 is: 286,207,703.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,757.95 : 314,929,136.93 = 190,805,135.55 : x
  2. Step 2: Convert to fraction form
    209,952,757.95/314,929,136.93 = 190,805,135.55/x
  3. Step 3: Cross multiply
    209,952,757.95x = 314,929,136.93 × 190,805,135.55
  4. Step 4: Simplify right side
    209,952,757.95x = 60,090,096,659,619,144
  5. Step 5: Solve for x
    x = 60,090,096,659,619,144/209,952,757.95
  6. Step 6: Final answer
    x = 286,207,703.33

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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.