Home / 145,384,494.12-200,631,883.23-79,305,285.96

Finding the Fourth Proportional to 145,384,494.12, 200,631,883.23 and 79,305,285.96

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Solution

The fourth proportional to 145,384,494.12, 200,631,883.23 and 79,305,285.96 is: 109,441,993.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,384,494.12 : 200,631,883.23 = 79,305,285.96 : x
  2. Step 2: Convert to fraction form
    145,384,494.12/200,631,883.23 = 79,305,285.96/x
  3. Step 3: Cross multiply
    145,384,494.12x = 200,631,883.23 × 79,305,285.96
  4. Step 4: Simplify right side
    145,384,494.12x = 15,911,168,872,248,476
  5. Step 5: Solve for x
    x = 15,911,168,872,248,476/145,384,494.12
  6. Step 6: Final answer
    x = 109,441,993.58

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Why These Related Problems?

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