Home / 136,737,547.45-188,667,650.19-80,955,269.35

Finding the Fourth Proportional to 136,737,547.45, 188,667,650.19 and 80,955,269.35

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Solution

The fourth proportional to 136,737,547.45, 188,667,650.19 and 80,955,269.35 is: 111,700,412.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,737,547.45 : 188,667,650.19 = 80,955,269.35 : x
  2. Step 2: Convert to fraction form
    136,737,547.45/188,667,650.19 = 80,955,269.35/x
  3. Step 3: Cross multiply
    136,737,547.45x = 188,667,650.19 × 80,955,269.35
  4. Step 4: Simplify right side
    136,737,547.45x = 15,273,640,438,763,028
  5. Step 5: Solve for x
    x = 15,273,640,438,763,028/136,737,547.45
  6. Step 6: Final answer
    x = 111,700,412.39

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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.