Home / 66,872,878.20-100,308,878.58-18,346,936.44

Finding the Fourth Proportional to 66,872,878.20, 100,308,878.58 and 18,346,936.44

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Solution

The fourth proportional to 66,872,878.20, 100,308,878.58 and 18,346,936.44 is: 27,520,284.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,872,878.20 : 100,308,878.58 = 18,346,936.44 : x
  2. Step 2: Convert to fraction form
    66,872,878.20/100,308,878.58 = 18,346,936.44/x
  3. Step 3: Cross multiply
    66,872,878.20x = 100,308,878.58 × 18,346,936.44
  4. Step 4: Simplify right side
    66,872,878.20x = 1,840,360,619,674,937.50
  5. Step 5: Solve for x
    x = 1,840,360,619,674,937.50/66,872,878.20
  6. Step 6: Final answer
    x = 27,520,284.29

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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.