Home / 208,038,179.60-311,460,072.60-202,066,211.60

Finding the Fourth Proportional to 208,038,179.60, 311,460,072.60 and 202,066,211.60

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Solution

The fourth proportional to 208,038,179.60, 311,460,072.60 and 202,066,211.60 is: 302,519,263.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,038,179.60 : 311,460,072.60 = 202,066,211.60 : x
  2. Step 2: Convert to fraction form
    208,038,179.60/311,460,072.60 = 202,066,211.60/x
  3. Step 3: Cross multiply
    208,038,179.60x = 311,460,072.60 × 202,066,211.60
  4. Step 4: Simplify right side
    208,038,179.60x = 62,935,556,934,942,968
  5. Step 5: Solve for x
    x = 62,935,556,934,942,968/208,038,179.60
  6. Step 6: Final answer
    x = 302,519,263.80

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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.