Home / 76,414,594.88-114,406,646.37-68,666,185.10

Finding the Fourth Proportional to 76,414,594.88, 114,406,646.37 and 68,666,185.10

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Solution

The fourth proportional to 76,414,594.88, 114,406,646.37 and 68,666,185.10 is: 102,805,857.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,414,594.88 : 114,406,646.37 = 68,666,185.10 : x
  2. Step 2: Convert to fraction form
    76,414,594.88/114,406,646.37 = 68,666,185.10/x
  3. Step 3: Cross multiply
    76,414,594.88x = 114,406,646.37 × 68,666,185.10
  4. Step 4: Simplify right side
    76,414,594.88x = 7,855,867,955,740,630
  5. Step 5: Solve for x
    x = 7,855,867,955,740,630/76,414,594.88
  6. Step 6: Final answer
    x = 102,805,857.55

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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.