Home / 66,425,175.96-99,631,036.12-17,907,934.20

Finding the Fourth Proportional to 66,425,175.96, 99,631,036.12 and 17,907,934.20

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Solution

The fourth proportional to 66,425,175.96, 99,631,036.12 and 17,907,934.20 is: 26,860,087.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,425,175.96 : 99,631,036.12 = 17,907,934.20 : x
  2. Step 2: Convert to fraction form
    66,425,175.96/99,631,036.12 = 17,907,934.20/x
  3. Step 3: Cross multiply
    66,425,175.96x = 99,631,036.12 × 17,907,934.20
  4. Step 4: Simplify right side
    66,425,175.96x = 1,784,186,039,114,783.25
  5. Step 5: Solve for x
    x = 1,784,186,039,114,783.25/66,425,175.96
  6. Step 6: Final answer
    x = 26,860,087.51

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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.