Finding the Fourth Proportional to 158,204,954,108.08, 218,341,553,236.76 and 93,975,932,178.05
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Solution
The fourth proportional to 158,204,954,108.08, 218,341,553,236.76 and 93,975,932,178.05 is: 129,697,904,305.90
Step by Step Solution
- Step 1: Write the proportion equation
158,204,954,108.08 : 218,341,553,236.76 = 93,975,932,178.05 : x - Step 2: Convert to fraction form
158,204,954,108.08/218,341,553,236.76 = 93,975,932,178.05/x - Step 3: Cross multiply
158,204,954,108.08x = 218,341,553,236.76 × 93,975,932,178.05 - Step 4: Simplify right side
158,204,954,108.08x = 20,518,850,998,628,727,652,352 - Step 5: Solve for x
x = 20,518,850,998,628,727,652,352/158,204,954,108.08 - Step 6: Final answer
x = 129,697,904,305.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.