Finding the Fourth Proportional to 121,142,304,878.95, 181,713,457,318.42 and 121,142,304,878.95
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Solution
The fourth proportional to 121,142,304,878.95, 181,713,457,318.42 and 121,142,304,878.95 is: 181,713,457,318.42
Step by Step Solution
- Step 1: Write the proportion equation
121,142,304,878.95 : 181,713,457,318.42 = 121,142,304,878.95 : x - Step 2: Convert to fraction form
121,142,304,878.95/181,713,457,318.42 = 121,142,304,878.95/x - Step 3: Cross multiply
121,142,304,878.95x = 181,713,457,318.42 × 121,142,304,878.95 - Step 4: Simplify right side
121,142,304,878.95x = 22,013,187,047,076,103,454,720 - Step 5: Solve for x
x = 22,013,187,047,076,103,454,720/121,142,304,878.95 - Step 6: Final answer
x = 181,713,457,318.42
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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.