Finding the Fourth Proportional to 135,390,532,407.76, 203,086,664,027.46 and 39,776,160,146.08
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Solution
The fourth proportional to 135,390,532,407.76, 203,086,664,027.46 and 39,776,160,146.08 is: 59,664,494,468.20
Step by Step Solution
- Step 1: Write the proportion equation
135,390,532,407.76 : 203,086,664,027.46 = 39,776,160,146.08 : x - Step 2: Convert to fraction form
135,390,532,407.76/203,086,664,027.46 = 39,776,160,146.08/x - Step 3: Cross multiply
135,390,532,407.76x = 203,086,664,027.46 × 39,776,160,146.08 - Step 4: Simplify right side
135,390,532,407.76x = 8,078,007,671,889,393,090,560 - Step 5: Solve for x
x = 8,078,007,671,889,393,090,560/135,390,532,407.76 - Step 6: Final answer
x = 59,664,494,468.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.