Home / 197,913,264.80-296,985,662.40-82,888,145.60

Finding the Fourth Proportional to 197,913,264.80, 296,985,662.40 and 82,888,145.60

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Solution

The fourth proportional to 197,913,264.80, 296,985,662.40 and 82,888,145.60 is: 124,380,702.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,913,264.80 : 296,985,662.40 = 82,888,145.60 : x
  2. Step 2: Convert to fraction form
    197,913,264.80/296,985,662.40 = 82,888,145.60/x
  3. Step 3: Cross multiply
    197,913,264.80x = 296,985,662.40 × 82,888,145.60
  4. Step 4: Simplify right side
    197,913,264.80x = 24,616,590,826,123,640
  5. Step 5: Solve for x
    x = 24,616,590,826,123,640/197,913,264.80
  6. Step 6: Final answer
    x = 124,380,702.08

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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.