Home / 118,696,603.80-178,044,905.70-107,926,066.20

Finding the Fourth Proportional to 118,696,603.80, 178,044,905.70 and 107,926,066.20

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Solution

The fourth proportional to 118,696,603.80, 178,044,905.70 and 107,926,066.20 is: 161,889,099.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,696,603.80 : 178,044,905.70 = 107,926,066.20 : x
  2. Step 2: Convert to fraction form
    118,696,603.80/178,044,905.70 = 107,926,066.20/x
  3. Step 3: Cross multiply
    118,696,603.80x = 178,044,905.70 × 107,926,066.20
  4. Step 4: Simplify right side
    118,696,603.80x = 19,215,686,279,150,956
  5. Step 5: Solve for x
    x = 19,215,686,279,150,956/118,696,603.80
  6. Step 6: Final answer
    x = 161,889,099.30

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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.