Home / 208,212,379.59-310,457,095.46-202,491,873.96

Finding the Fourth Proportional to 208,212,379.59, 310,457,095.46 and 202,491,873.96

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Solution

The fourth proportional to 208,212,379.59, 310,457,095.46 and 202,491,873.96 is: 301,927,479.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,212,379.59 : 310,457,095.46 = 202,491,873.96 : x
  2. Step 2: Convert to fraction form
    208,212,379.59/310,457,095.46 = 202,491,873.96/x
  3. Step 3: Cross multiply
    208,212,379.59x = 310,457,095.46 × 202,491,873.96
  4. Step 4: Simplify right side
    208,212,379.59x = 62,865,039,042,861,552
  5. Step 5: Solve for x
    x = 62,865,039,042,861,552/208,212,379.59
  6. Step 6: Final answer
    x = 301,927,479.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.