Home / 129,929,583.43-194,918,955.41-52,212,537.37

Finding the Fourth Proportional to 129,929,583.43, 194,918,955.41 and 52,212,537.37

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Solution

The fourth proportional to 129,929,583.43, 194,918,955.41 and 52,212,537.37 is: 78,328,683.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,929,583.43 : 194,918,955.41 = 52,212,537.37 : x
  2. Step 2: Convert to fraction form
    129,929,583.43/194,918,955.41 = 52,212,537.37/x
  3. Step 3: Cross multiply
    129,929,583.43x = 194,918,955.41 × 52,212,537.37
  4. Step 4: Simplify right side
    129,929,583.43x = 10,177,213,243,465,988
  5. Step 5: Solve for x
    x = 10,177,213,243,465,988/129,929,583.43
  6. Step 6: Final answer
    x = 78,328,683.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.