Finding the Fourth Proportional to 135,438,516,125.15, 203,023,581,376.58 and 63,599,431,220.51
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Solution
The fourth proportional to 135,438,516,125.15, 203,023,581,376.58 and 63,599,431,220.51 is: 95,336,132,359.65
Step by Step Solution
- Step 1: Write the proportion equation
135,438,516,125.15 : 203,023,581,376.58 = 63,599,431,220.51 : x - Step 2: Convert to fraction form
135,438,516,125.15/203,023,581,376.58 = 63,599,431,220.51/x - Step 3: Cross multiply
135,438,516,125.15x = 203,023,581,376.58 × 63,599,431,220.51 - Step 4: Simplify right side
135,438,516,125.15x = 12,912,184,299,901,413,228,544 - Step 5: Solve for x
x = 12,912,184,299,901,413,228,544/135,438,516,125.15 - Step 6: Final answer
x = 95,336,132,359.65
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1.5x scale
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.