Home / 200,364,840.20-300,771,209.10-155,127,182.60

Finding the Fourth Proportional to 200,364,840.20, 300,771,209.10 and 155,127,182.60

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Solution

The fourth proportional to 200,364,840.20, 300,771,209.10 and 155,127,182.60 is: 232,864,160.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,364,840.20 : 300,771,209.10 = 155,127,182.60 : x
  2. Step 2: Convert to fraction form
    200,364,840.20/300,771,209.10 = 155,127,182.60/x
  3. Step 3: Cross multiply
    200,364,840.20x = 300,771,209.10 × 155,127,182.60
  4. Step 4: Simplify right side
    200,364,840.20x = 46,657,790,274,878,480
  5. Step 5: Solve for x
    x = 46,657,790,274,878,480/200,364,840.20
  6. Step 6: Final answer
    x = 232,864,160.34

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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.