Home / 313,622,173.90-432,780,823.56-174,389,946.58

Finding the Fourth Proportional to 313,622,173.90, 432,780,823.56 and 174,389,946.58

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Solution

The fourth proportional to 313,622,173.90, 432,780,823.56 and 174,389,946.58 is: 240,648,241.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,622,173.90 : 432,780,823.56 = 174,389,946.58 : x
  2. Step 2: Convert to fraction form
    313,622,173.90/432,780,823.56 = 174,389,946.58/x
  3. Step 3: Cross multiply
    313,622,173.90x = 432,780,823.56 × 174,389,946.58
  4. Step 4: Simplify right side
    313,622,173.90x = 75,472,624,701,476,816
  5. Step 5: Solve for x
    x = 75,472,624,701,476,816/313,622,173.90
  6. Step 6: Final answer
    x = 240,648,241.68

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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.