Home / 76,369,497.98-114,403,080.81-66,795,686.78

Finding the Fourth Proportional to 76,369,497.98, 114,403,080.81 and 66,795,686.78

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Solution

The fourth proportional to 76,369,497.98, 114,403,080.81 and 66,795,686.78 is: 100,061,314.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,369,497.98 : 114,403,080.81 = 66,795,686.78 : x
  2. Step 2: Convert to fraction form
    76,369,497.98/114,403,080.81 = 66,795,686.78/x
  3. Step 3: Cross multiply
    76,369,497.98x = 114,403,080.81 × 66,795,686.78
  4. Step 4: Simplify right side
    76,369,497.98x = 7,641,632,352,451,789
  5. Step 5: Solve for x
    x = 7,641,632,352,451,789/76,369,497.98
  6. Step 6: Final answer
    x = 100,061,314.46

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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.