Finding the Fourth Proportional to 155,183,688,081.67, 232,775,532,122.51 and 121,710,557,832.08
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Solution
The fourth proportional to 155,183,688,081.67, 232,775,532,122.51 and 121,710,557,832.08 is: 182,565,836,748.12
Step by Step Solution
- Step 1: Write the proportion equation
155,183,688,081.67 : 232,775,532,122.51 = 121,710,557,832.08 : x - Step 2: Convert to fraction form
155,183,688,081.67/232,775,532,122.51 = 121,710,557,832.08/x - Step 3: Cross multiply
155,183,688,081.67x = 232,775,532,122.51 × 121,710,557,832.08 - Step 4: Simplify right side
155,183,688,081.67x = 28,331,239,864,289,948,860,416 - Step 5: Solve for x
x = 28,331,239,864,289,948,860,416/155,183,688,081.67 - Step 6: Final answer
x = 182,565,836,748.12
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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.