Home / 343,839,241.60-515,758,862.40-206,089,734.40

Finding the Fourth Proportional to 343,839,241.60, 515,758,862.40 and 206,089,734.40

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Solution

The fourth proportional to 343,839,241.60, 515,758,862.40 and 206,089,734.40 is: 309,134,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,839,241.60 : 515,758,862.40 = 206,089,734.40 : x
  2. Step 2: Convert to fraction form
    343,839,241.60/515,758,862.40 = 206,089,734.40/x
  3. Step 3: Cross multiply
    343,839,241.60x = 515,758,862.40 × 206,089,734.40
  4. Step 4: Simplify right side
    343,839,241.60x = 106,292,606,966,462,144
  5. Step 5: Solve for x
    x = 106,292,606,966,462,144/343,839,241.60
  6. Step 6: Final answer
    x = 309,134,601.60

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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.