Finding the Fourth Proportional to 155,183,688,089.55, 232,775,532,134.32 and 121,710,557,839.95
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Solution
The fourth proportional to 155,183,688,089.55, 232,775,532,134.32 and 121,710,557,839.95 is: 182,565,836,759.92
Step by Step Solution
- Step 1: Write the proportion equation
155,183,688,089.55 : 232,775,532,134.32 = 121,710,557,839.95 : x - Step 2: Convert to fraction form
155,183,688,089.55/232,775,532,134.32 = 121,710,557,839.95/x - Step 3: Cross multiply
155,183,688,089.55x = 232,775,532,134.32 × 121,710,557,839.95 - Step 4: Simplify right side
155,183,688,089.55x = 28,331,239,867,559,295,582,208 - Step 5: Solve for x
x = 28,331,239,867,559,295,582,208/155,183,688,089.55 - Step 6: Final answer
x = 182,565,836,759.92
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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.