Home / 343,839,228.60-515,758,842.90-206,089,721.40

Finding the Fourth Proportional to 343,839,228.60, 515,758,842.90 and 206,089,721.40

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Solution

The fourth proportional to 343,839,228.60, 515,758,842.90 and 206,089,721.40 is: 309,134,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,839,228.60 : 515,758,842.90 = 206,089,721.40 : x
  2. Step 2: Convert to fraction form
    343,839,228.60/515,758,842.90 = 206,089,721.40/x
  3. Step 3: Cross multiply
    343,839,228.60x = 515,758,842.90 × 206,089,721.40
  4. Step 4: Simplify right side
    343,839,228.60x = 106,292,596,242,847,360
  5. Step 5: Solve for x
    x = 106,292,596,242,847,360/343,839,228.60
  6. Step 6: Final answer
    x = 309,134,582.10

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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.