Home / 140,246,347.18-193,559,185.44-80,706,419.68

Finding the Fourth Proportional to 140,246,347.18, 193,559,185.44 and 80,706,419.68

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Solution

The fourth proportional to 140,246,347.18, 193,559,185.44 and 80,706,419.68 is: 111,385,923.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,246,347.18 : 193,559,185.44 = 80,706,419.68 : x
  2. Step 2: Convert to fraction form
    140,246,347.18/193,559,185.44 = 80,706,419.68/x
  3. Step 3: Cross multiply
    140,246,347.18x = 193,559,185.44 × 80,706,419.68
  4. Step 4: Simplify right side
    140,246,347.18x = 15,621,468,853,039,586
  5. Step 5: Solve for x
    x = 15,621,468,853,039,586/140,246,347.18
  6. Step 6: Final answer
    x = 111,385,923.18

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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.