Home / 140,441,653.74-193,817,015.55-78,558,301.74

Finding the Fourth Proportional to 140,441,653.74, 193,817,015.55 and 78,558,301.74

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Solution

The fourth proportional to 140,441,653.74, 193,817,015.55 and 78,558,301.74 is: 108,414,670.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,441,653.74 : 193,817,015.55 = 78,558,301.74 : x
  2. Step 2: Convert to fraction form
    140,441,653.74/193,817,015.55 = 78,558,301.74/x
  3. Step 3: Cross multiply
    140,441,653.74x = 193,817,015.55 × 78,558,301.74
  4. Step 4: Simplify right side
    140,441,653.74x = 15,225,935,589,923,172
  5. Step 5: Solve for x
    x = 15,225,935,589,923,172/140,441,653.74
  6. Step 6: Final answer
    x = 108,414,670.32

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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.