Home / 208,828,847.70-313,243,271.55-177,923,913.30

Finding the Fourth Proportional to 208,828,847.70, 313,243,271.55 and 177,923,913.30

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Solution

The fourth proportional to 208,828,847.70, 313,243,271.55 and 177,923,913.30 is: 266,885,869.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,828,847.70 : 313,243,271.55 = 177,923,913.30 : x
  2. Step 2: Convert to fraction form
    208,828,847.70/313,243,271.55 = 177,923,913.30/x
  3. Step 3: Cross multiply
    208,828,847.70x = 313,243,271.55 × 177,923,913.30
  4. Step 4: Simplify right side
    208,828,847.70x = 55,733,468,689,070,560
  5. Step 5: Solve for x
    x = 55,733,468,689,070,560/208,828,847.70
  6. Step 6: Final answer
    x = 266,885,869.95

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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.