Home / 341,856,085.10-512,771,686.05-137,328,622.70

Finding the Fourth Proportional to 341,856,085.10, 512,771,686.05 and 137,328,622.70

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Solution

The fourth proportional to 341,856,085.10, 512,771,686.05 and 137,328,622.70 is: 205,987,936.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,856,085.10 : 512,771,686.05 = 137,328,622.70 : x
  2. Step 2: Convert to fraction form
    341,856,085.10/512,771,686.05 = 137,328,622.70/x
  3. Step 3: Cross multiply
    341,856,085.10x = 512,771,686.05 × 137,328,622.70
  4. Step 4: Simplify right side
    341,856,085.10x = 70,418,229,404,803,296
  5. Step 5: Solve for x
    x = 70,418,229,404,803,296/341,856,085.10
  6. Step 6: Final answer
    x = 205,987,936.08

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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.