Home / 275,219,838.12-379,803,267-151,460,515.20

Finding the Fourth Proportional to 275,219,838.12, 379,803,267 and 151,460,515.20

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Solution

The fourth proportional to 275,219,838.12, 379,803,267 and 151,460,515.20 is: 209,015,450.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,219,838.12 : 379,803,267 = 151,460,515.20 : x
  2. Step 2: Convert to fraction form
    275,219,838.12/379,803,267 = 151,460,515.20/x
  3. Step 3: Cross multiply
    275,219,838.12x = 379,803,267 × 151,460,515.20
  4. Step 4: Simplify right side
    275,219,838.12x = 57,525,198,494,463,152
  5. Step 5: Solve for x
    x = 57,525,198,494,463,152/275,219,838.12
  6. Step 6: Final answer
    x = 209,015,450.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.