Home / 199,584,020.70-278,737,384.50-199,584,020.70

Finding the Fourth Proportional to 199,584,020.70, 278,737,384.50 and 199,584,020.70

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Solution

The fourth proportional to 199,584,020.70, 278,737,384.50 and 199,584,020.70 is: 278,737,384.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,584,020.70 : 278,737,384.50 = 199,584,020.70 : x
  2. Step 2: Convert to fraction form
    199,584,020.70/278,737,384.50 = 199,584,020.70/x
  3. Step 3: Cross multiply
    199,584,020.70x = 278,737,384.50 × 199,584,020.70
  4. Step 4: Simplify right side
    199,584,020.70x = 55,631,527,917,911,856
  5. Step 5: Solve for x
    x = 55,631,527,917,911,856/199,584,020.70
  6. Step 6: Final answer
    x = 278,737,384.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.