Finding the Fourth Proportional to 90,902,954.53, 125,442,452.95 and 51,209,560.63
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Solution
The fourth proportional to 90,902,954.53, 125,442,452.95 and 51,209,560.63 is: 70,667,151.94
Step by Step Solution
- Step 1: Write the proportion equation
90,902,954.53 : 125,442,452.95 = 51,209,560.63 : x - Step 2: Convert to fraction form
90,902,954.53/125,442,452.95 = 51,209,560.63/x - Step 3: Cross multiply
90,902,954.53x = 125,442,452.95 × 51,209,560.63 - Step 4: Simplify right side
90,902,954.53x = 6,423,852,899,918,948 - Step 5: Solve for x
x = 6,423,852,899,918,948/90,902,954.53 - Step 6: Final answer
x = 70,667,151.94
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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.