Home / 231,180,783.57-319,075,828.97-137,147,125.01

Finding the Fourth Proportional to 231,180,783.57, 319,075,828.97 and 137,147,125.01

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Solution

The fourth proportional to 231,180,783.57, 319,075,828.97 and 137,147,125.01 is: 189,290,528.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,180,783.57 : 319,075,828.97 = 137,147,125.01 : x
  2. Step 2: Convert to fraction form
    231,180,783.57/319,075,828.97 = 137,147,125.01/x
  3. Step 3: Cross multiply
    231,180,783.57x = 319,075,828.97 × 137,147,125.01
  4. Step 4: Simplify right side
    231,180,783.57x = 43,760,332,601,136,848
  5. Step 5: Solve for x
    x = 43,760,332,601,136,848/231,180,783.57
  6. Step 6: Final answer
    x = 189,290,528.07

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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.