Home / 371,849,257.74-557,841,975.23-153,380,418.78

Finding the Fourth Proportional to 371,849,257.74, 557,841,975.23 and 153,380,418.78

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Solution

The fourth proportional to 371,849,257.74, 557,841,975.23 and 153,380,418.78 is: 230,098,713.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,849,257.74 : 557,841,975.23 = 153,380,418.78 : x
  2. Step 2: Convert to fraction form
    371,849,257.74/557,841,975.23 = 153,380,418.78/x
  3. Step 3: Cross multiply
    371,849,257.74x = 557,841,975.23 × 153,380,418.78
  4. Step 4: Simplify right side
    371,849,257.74x = 85,562,035,773,839,792
  5. Step 5: Solve for x
    x = 85,562,035,773,839,792/371,849,257.74
  6. Step 6: Final answer
    x = 230,098,713.37

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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.