Home / 261,033,150.45-360,218,559.19-143,558,523.41

Finding the Fourth Proportional to 261,033,150.45, 360,218,559.19 and 143,558,523.41

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Solution

The fourth proportional to 261,033,150.45, 360,218,559.19 and 143,558,523.41 is: 198,106,808.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,033,150.45 : 360,218,559.19 = 143,558,523.41 : x
  2. Step 2: Convert to fraction form
    261,033,150.45/360,218,559.19 = 143,558,523.41/x
  3. Step 3: Cross multiply
    261,033,150.45x = 360,218,559.19 × 143,558,523.41
  4. Step 4: Simplify right side
    261,033,150.45x = 51,712,444,461,476,296
  5. Step 5: Solve for x
    x = 51,712,444,461,476,296/261,033,150.45
  6. Step 6: Final answer
    x = 198,106,808.93

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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.