Home / 76,369,495.48-114,403,077.06-66,795,684.28

Finding the Fourth Proportional to 76,369,495.48, 114,403,077.06 and 66,795,684.28

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Solution

The fourth proportional to 76,369,495.48, 114,403,077.06 and 66,795,684.28 is: 100,061,310.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,369,495.48 : 114,403,077.06 = 66,795,684.28 : x
  2. Step 2: Convert to fraction form
    76,369,495.48/114,403,077.06 = 66,795,684.28/x
  3. Step 3: Cross multiply
    76,369,495.48x = 114,403,077.06 × 66,795,684.28
  4. Step 4: Simplify right side
    76,369,495.48x = 7,641,631,815,960,271
  5. Step 5: Solve for x
    x = 7,641,631,815,960,271/76,369,495.48
  6. Step 6: Final answer
    x = 100,061,310.71

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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.