Home / 201,936,126.80-278,693,997-117,181,915.76

Finding the Fourth Proportional to 201,936,126.80, 278,693,997 and 117,181,915.76

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Solution

The fourth proportional to 201,936,126.80, 278,693,997 and 117,181,915.76 is: 161,723,892.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,936,126.80 : 278,693,997 = 117,181,915.76 : x
  2. Step 2: Convert to fraction form
    201,936,126.80/278,693,997 = 117,181,915.76/x
  3. Step 3: Cross multiply
    201,936,126.80x = 278,693,997 × 117,181,915.76
  4. Step 4: Simplify right side
    201,936,126.80x = 32,657,896,479,271,696
  5. Step 5: Solve for x
    x = 32,657,896,479,271,696/201,936,126.80
  6. Step 6: Final answer
    x = 161,723,892.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.