Home / 66,948,051.70-100,422,077.55-18,425,811.70

Finding the Fourth Proportional to 66,948,051.70, 100,422,077.55 and 18,425,811.70

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Solution

The fourth proportional to 66,948,051.70, 100,422,077.55 and 18,425,811.70 is: 27,638,717.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,948,051.70 : 100,422,077.55 = 18,425,811.70 : x
  2. Step 2: Convert to fraction form
    66,948,051.70/100,422,077.55 = 18,425,811.70/x
  3. Step 3: Cross multiply
    66,948,051.70x = 100,422,077.55 × 18,425,811.70
  4. Step 4: Simplify right side
    66,948,051.70x = 1,850,358,291,459,097.25
  5. Step 5: Solve for x
    x = 1,850,358,291,459,097.25/66,948,051.70
  6. Step 6: Final answer
    x = 27,638,717.55

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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.