Home / 140,293,633.86-193,597,405.26-77,566,105.32

Finding the Fourth Proportional to 140,293,633.86, 193,597,405.26 and 77,566,105.32

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Solution

The fourth proportional to 140,293,633.86, 193,597,405.26 and 77,566,105.32 is: 107,036,907.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,293,633.86 : 193,597,405.26 = 77,566,105.32 : x
  2. Step 2: Convert to fraction form
    140,293,633.86/193,597,405.26 = 77,566,105.32/x
  3. Step 3: Cross multiply
    140,293,633.86x = 193,597,405.26 × 77,566,105.32
  4. Step 4: Simplify right side
    140,293,633.86x = 15,016,596,726,075,880
  5. Step 5: Solve for x
    x = 15,016,596,726,075,880/140,293,633.86
  6. Step 6: Final answer
    x = 107,036,907.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.