Home / 108,918,022.30-163,377,033.45-100,603,923.10

Finding the Fourth Proportional to 108,918,022.30, 163,377,033.45 and 100,603,923.10

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Solution

The fourth proportional to 108,918,022.30, 163,377,033.45 and 100,603,923.10 is: 150,905,884.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,918,022.30 : 163,377,033.45 = 100,603,923.10 : x
  2. Step 2: Convert to fraction form
    108,918,022.30/163,377,033.45 = 100,603,923.10/x
  3. Step 3: Cross multiply
    108,918,022.30x = 163,377,033.45 × 100,603,923.10
  4. Step 4: Simplify right side
    108,918,022.30x = 16,436,370,509,509,926
  5. Step 5: Solve for x
    x = 16,436,370,509,509,926/108,918,022.30
  6. Step 6: Final answer
    x = 150,905,884.65

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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.