Finding the Fourth Proportional to 228,753,504.55, 315,683,032.22 and 124,331,544.55
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Solution
The fourth proportional to 228,753,504.55, 315,683,032.22 and 124,331,544.55 is: 171,579,268.53
Step by Step Solution
- Step 1: Write the proportion equation
228,753,504.55 : 315,683,032.22 = 124,331,544.55 : x - Step 2: Convert to fraction form
228,753,504.55/315,683,032.22 = 124,331,544.55/x - Step 3: Cross multiply
228,753,504.55x = 315,683,032.22 × 124,331,544.55 - Step 4: Simplify right side
228,753,504.55x = 39,249,358,984,140,016 - Step 5: Solve for x
x = 39,249,358,984,140,016/228,753,504.55 - Step 6: Final answer
x = 171,579,268.53
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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.