Home / 76,369,507.98-114,403,095.81-66,795,696.78

Finding the Fourth Proportional to 76,369,507.98, 114,403,095.81 and 66,795,696.78

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Solution

The fourth proportional to 76,369,507.98, 114,403,095.81 and 66,795,696.78 is: 100,061,329.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,369,507.98 : 114,403,095.81 = 66,795,696.78 : x
  2. Step 2: Convert to fraction form
    76,369,507.98/114,403,095.81 = 66,795,696.78/x
  3. Step 3: Cross multiply
    76,369,507.98x = 114,403,095.81 × 66,795,696.78
  4. Step 4: Simplify right side
    76,369,507.98x = 7,641,634,498,418,049
  5. Step 5: Solve for x
    x = 7,641,634,498,418,049/76,369,507.98
  6. Step 6: Final answer
    x = 100,061,329.46

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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.