Home / 320,601,126.55-481,212,664.62-154,721,368.06

Finding the Fourth Proportional to 320,601,126.55, 481,212,664.62 and 154,721,368.06

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Solution

The fourth proportional to 320,601,126.55, 481,212,664.62 and 154,721,368.06 is: 232,232,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,601,126.55 : 481,212,664.62 = 154,721,368.06 : x
  2. Step 2: Convert to fraction form
    320,601,126.55/481,212,664.62 = 154,721,368.06/x
  3. Step 3: Cross multiply
    320,601,126.55x = 481,212,664.62 × 154,721,368.06
  4. Step 4: Simplify right side
    320,601,126.55x = 74,453,881,797,804,368
  5. Step 5: Solve for x
    x = 74,453,881,797,804,368/320,601,126.55
  6. Step 6: Final answer
    x = 232,232,127.81

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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.