Home / 255,480,554.80-383,215,317.27-71,243,123.41

Finding the Fourth Proportional to 255,480,554.80, 383,215,317.27 and 71,243,123.41

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Solution

The fourth proportional to 255,480,554.80, 383,215,317.27 and 71,243,123.41 is: 106,863,147.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,480,554.80 : 383,215,317.27 = 71,243,123.41 : x
  2. Step 2: Convert to fraction form
    255,480,554.80/383,215,317.27 = 71,243,123.41/x
  3. Step 3: Cross multiply
    255,480,554.80x = 383,215,317.27 × 71,243,123.41
  4. Step 4: Simplify right side
    255,480,554.80x = 27,301,456,140,868,912
  5. Step 5: Solve for x
    x = 27,301,456,140,868,912/255,480,554.80
  6. Step 6: Final answer
    x = 106,863,147.23

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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.