Home / 248,315,829.88-342,675,939-143,954,397.96

Finding the Fourth Proportional to 248,315,829.88, 342,675,939 and 143,954,397.96

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Solution

The fourth proportional to 248,315,829.88, 342,675,939 and 143,954,397.96 is: 198,657,123.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,315,829.88 : 342,675,939 = 143,954,397.96 : x
  2. Step 2: Convert to fraction form
    248,315,829.88/342,675,939 = 143,954,397.96/x
  3. Step 3: Cross multiply
    248,315,829.88x = 342,675,939 × 143,954,397.96
  4. Step 4: Simplify right side
    248,315,829.88x = 49,329,708,494,122,688
  5. Step 5: Solve for x
    x = 49,329,708,494,122,688/248,315,829.88
  6. Step 6: Final answer
    x = 198,657,123.54

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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.