Finding the Fourth Proportional to 228,912,747.84, 315,896,591.85 and 124,488,593.55
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Solution
The fourth proportional to 228,912,747.84, 315,896,591.85 and 124,488,593.55 is: 171,792,627.53
Step by Step Solution
- Step 1: Write the proportion equation
228,912,747.84 : 315,896,591.85 = 124,488,593.55 : x - Step 2: Convert to fraction form
228,912,747.84/315,896,591.85 = 124,488,593.55/x - Step 3: Cross multiply
228,912,747.84x = 315,896,591.85 × 124,488,593.55 - Step 4: Simplify right side
228,912,747.84x = 39,325,522,426,644,896 - Step 5: Solve for x
x = 39,325,522,426,644,896/228,912,747.84 - Step 6: Final answer
x = 171,792,627.53
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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.