Home / 200,018,669.40-300,028,004.10-118,053,408.60

Finding the Fourth Proportional to 200,018,669.40, 300,028,004.10 and 118,053,408.60

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Solution

The fourth proportional to 200,018,669.40, 300,028,004.10 and 118,053,408.60 is: 177,080,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,018,669.40 : 300,028,004.10 = 118,053,408.60 : x
  2. Step 2: Convert to fraction form
    200,018,669.40/300,028,004.10 = 118,053,408.60/x
  3. Step 3: Cross multiply
    200,018,669.40x = 300,028,004.10 × 118,053,408.60
  4. Step 4: Simplify right side
    200,018,669.40x = 35,419,328,559,459,776
  5. Step 5: Solve for x
    x = 35,419,328,559,459,776/200,018,669.40
  6. Step 6: Final answer
    x = 177,080,112.90

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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.