Home / 66,431,951.70-99,647,927.55-57,184,878.30

Finding the Fourth Proportional to 66,431,951.70, 99,647,927.55 and 57,184,878.30

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Solution

The fourth proportional to 66,431,951.70, 99,647,927.55 and 57,184,878.30 is: 85,777,317.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,431,951.70 : 99,647,927.55 = 57,184,878.30 : x
  2. Step 2: Convert to fraction form
    66,431,951.70/99,647,927.55 = 57,184,878.30/x
  3. Step 3: Cross multiply
    66,431,951.70x = 99,647,927.55 × 57,184,878.30
  4. Step 4: Simplify right side
    66,431,951.70x = 5,698,354,609,793,967
  5. Step 5: Solve for x
    x = 5,698,354,609,793,967/66,431,951.70
  6. Step 6: Final answer
    x = 85,777,317.45

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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.