Home / 66,425,171.94-99,631,030.14-17,907,930.18

Finding the Fourth Proportional to 66,425,171.94, 99,631,030.14 and 17,907,930.18

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Solution

The fourth proportional to 66,425,171.94, 99,631,030.14 and 17,907,930.18 is: 26,860,081.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,425,171.94 : 99,631,030.14 = 17,907,930.18 : x
  2. Step 2: Convert to fraction form
    66,425,171.94/99,631,030.14 = 17,907,930.18/x
  3. Step 3: Cross multiply
    66,425,171.94x = 99,631,030.14 × 17,907,930.18
  4. Step 4: Simplify right side
    66,425,171.94x = 1,784,185,531,508,595.50
  5. Step 5: Solve for x
    x = 1,784,185,531,508,595.50/66,425,171.94
  6. Step 6: Final answer
    x = 26,860,081.49

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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.