Home / 187,683,539.80-281,525,309.70-126,302,104.30

Finding the Fourth Proportional to 187,683,539.80, 281,525,309.70 and 126,302,104.30

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Solution

The fourth proportional to 187,683,539.80, 281,525,309.70 and 126,302,104.30 is: 189,453,156.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,683,539.80 : 281,525,309.70 = 126,302,104.30 : x
  2. Step 2: Convert to fraction form
    187,683,539.80/281,525,309.70 = 126,302,104.30/x
  3. Step 3: Cross multiply
    187,683,539.80x = 281,525,309.70 × 126,302,104.30
  4. Step 4: Simplify right side
    187,683,539.80x = 35,557,239,028,819,200
  5. Step 5: Solve for x
    x = 35,557,239,028,819,200/187,683,539.80
  6. Step 6: Final answer
    x = 189,453,156.45

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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.