Finding the Fourth Proportional to 228,683,074.34, 315,584,639.16 and 124,261,143.14
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Solution
The fourth proportional to 228,683,074.34, 315,584,639.16 and 124,261,143.14 is: 171,481,462.42
Step by Step Solution
- Step 1: Write the proportion equation
228,683,074.34 : 315,584,639.16 = 124,261,143.14 : x - Step 2: Convert to fraction form
228,683,074.34/315,584,639.16 = 124,261,143.14/x - Step 3: Cross multiply
228,683,074.34x = 315,584,639.16 × 124,261,143.14 - Step 4: Simplify right side
228,683,074.34x = 39,214,908,019,446,016 - Step 5: Solve for x
x = 39,214,908,019,446,016/228,683,074.34 - Step 6: Final answer
x = 171,481,462.42
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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.