Home / 140,293,632.35-193,597,403.20-77,566,103.82

Finding the Fourth Proportional to 140,293,632.35, 193,597,403.20 and 77,566,103.82

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Solution

The fourth proportional to 140,293,632.35, 193,597,403.20 and 77,566,103.82 is: 107,036,905.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,293,632.35 : 193,597,403.20 = 77,566,103.82 : x
  2. Step 2: Convert to fraction form
    140,293,632.35/193,597,403.20 = 77,566,103.82/x
  3. Step 3: Cross multiply
    140,293,632.35x = 193,597,403.20 × 77,566,103.82
  4. Step 4: Simplify right side
    140,293,632.35x = 15,016,596,275,699,682
  5. Step 5: Solve for x
    x = 15,016,596,275,699,682/140,293,632.35
  6. Step 6: Final answer
    x = 107,036,905.55

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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.