Finding the Fourth Proportional to 68,157,313,809.30, 102,235,970,713.95 and 62,578,458,767.70
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Solution
The fourth proportional to 68,157,313,809.30, 102,235,970,713.95 and 62,578,458,767.70 is: 93,867,688,151.55
Step by Step Solution
- Step 1: Write the proportion equation
68,157,313,809.30 : 102,235,970,713.95 = 62,578,458,767.70 : x - Step 2: Convert to fraction form
68,157,313,809.30/102,235,970,713.95 = 62,578,458,767.70/x - Step 3: Cross multiply
68,157,313,809.30x = 102,235,970,713.95 × 62,578,458,767.70 - Step 4: Simplify right side
68,157,313,809.30x = 6,397,769,477,898,704,519,168 - Step 5: Solve for x
x = 6,397,769,477,898,704,519,168/68,157,313,809.30 - Step 6: Final answer
x = 93,867,688,151.55
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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.