Home / 129,314,172.42-178,452,161.28-70,576,360.62

Finding the Fourth Proportional to 129,314,172.42, 178,452,161.28 and 70,576,360.62

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Solution

The fourth proportional to 129,314,172.42, 178,452,161.28 and 70,576,360.62 is: 97,394,615.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,314,172.42 : 178,452,161.28 = 70,576,360.62 : x
  2. Step 2: Convert to fraction form
    129,314,172.42/178,452,161.28 = 70,576,360.62/x
  3. Step 3: Cross multiply
    129,314,172.42x = 178,452,161.28 × 70,576,360.62
  4. Step 4: Simplify right side
    129,314,172.42x = 12,594,504,087,915,682
  5. Step 5: Solve for x
    x = 12,594,504,087,915,682/129,314,172.42
  6. Step 6: Final answer
    x = 97,394,615.39

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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.