Home / 341,856,045.60-512,771,626.80-137,328,583.20

Finding the Fourth Proportional to 341,856,045.60, 512,771,626.80 and 137,328,583.20

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Solution

The fourth proportional to 341,856,045.60, 512,771,626.80 and 137,328,583.20 is: 205,987,876.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,856,045.60 : 512,771,626.80 = 137,328,583.20 : x
  2. Step 2: Convert to fraction form
    341,856,045.60/512,771,626.80 = 137,328,583.20/x
  3. Step 3: Cross multiply
    341,856,045.60x = 512,771,626.80 × 137,328,583.20
  4. Step 4: Simplify right side
    341,856,045.60x = 70,418,201,013,603,144
  5. Step 5: Solve for x
    x = 70,418,201,013,603,144/341,856,045.60
  6. Step 6: Final answer
    x = 205,987,876.83

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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.