Home / 275,474,802.46-380,172,406.71-151,715,446.78

Finding the Fourth Proportional to 275,474,802.46, 380,172,406.71 and 151,715,446.78

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Solution

The fourth proportional to 275,474,802.46, 380,172,406.71 and 151,715,446.78 is: 209,376,777.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,474,802.46 : 380,172,406.71 = 151,715,446.78 : x
  2. Step 2: Convert to fraction form
    275,474,802.46/380,172,406.71 = 151,715,446.78/x
  3. Step 3: Cross multiply
    275,474,802.46x = 380,172,406.71 × 151,715,446.78
  4. Step 4: Simplify right side
    275,474,802.46x = 57,678,026,537,054,024
  5. Step 5: Solve for x
    x = 57,678,026,537,054,024/275,474,802.46
  6. Step 6: Final answer
    x = 209,376,777.92

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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.