Home / 208,116,751.80-312,072,975.75-102,950,586.35

Finding the Fourth Proportional to 208,116,751.80, 312,072,975.75 and 102,950,586.35

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Solution

The fourth proportional to 208,116,751.80, 312,072,975.75 and 102,950,586.35 is: 154,375,347.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,116,751.80 : 312,072,975.75 = 102,950,586.35 : x
  2. Step 2: Convert to fraction form
    208,116,751.80/312,072,975.75 = 102,950,586.35/x
  3. Step 3: Cross multiply
    208,116,751.80x = 312,072,975.75 × 102,950,586.35
  4. Step 4: Simplify right side
    208,116,751.80x = 32,128,095,835,891,464
  5. Step 5: Solve for x
    x = 32,128,095,835,891,464/208,116,751.80
  6. Step 6: Final answer
    x = 154,375,347.29

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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.