Home / 200,364,842.20-300,771,212.10-155,127,184.60

Finding the Fourth Proportional to 200,364,842.20, 300,771,212.10 and 155,127,184.60

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Solution

The fourth proportional to 200,364,842.20, 300,771,212.10 and 155,127,184.60 is: 232,864,163.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,364,842.20 : 300,771,212.10 = 155,127,184.60 : x
  2. Step 2: Convert to fraction form
    200,364,842.20/300,771,212.10 = 155,127,184.60/x
  3. Step 3: Cross multiply
    200,364,842.20x = 300,771,212.10 × 155,127,184.60
  4. Step 4: Simplify right side
    200,364,842.20x = 46,657,791,341,802,456
  5. Step 5: Solve for x
    x = 46,657,791,341,802,456/200,364,842.20
  6. Step 6: Final answer
    x = 232,864,163.34

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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.