Home / 200,018,561.40-300,027,842.10-118,053,300.60

Finding the Fourth Proportional to 200,018,561.40, 300,027,842.10 and 118,053,300.60

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Solution

The fourth proportional to 200,018,561.40, 300,027,842.10 and 118,053,300.60 is: 177,079,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,018,561.40 : 300,027,842.10 = 118,053,300.60 : x
  2. Step 2: Convert to fraction form
    200,018,561.40/300,027,842.10 = 118,053,300.60/x
  3. Step 3: Cross multiply
    200,018,561.40x = 300,027,842.10 × 118,053,300.60
  4. Step 4: Simplify right side
    200,018,561.40x = 35,419,277,031,800,636
  5. Step 5: Solve for x
    x = 35,419,277,031,800,636/200,018,561.40
  6. Step 6: Final answer
    x = 177,079,950.90

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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.