Finding the Fourth Proportional to 152,765,747,235.39, 210,807,232,327.18 and 84,173,321,850.14
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Solution
The fourth proportional to 152,765,747,235.39, 210,807,232,327.18 and 84,173,321,850.14 is: 116,153,950,320.23
Step by Step Solution
- Step 1: Write the proportion equation
152,765,747,235.39 : 210,807,232,327.18 = 84,173,321,850.14 : x - Step 2: Convert to fraction form
152,765,747,235.39/210,807,232,327.18 = 84,173,321,850.14/x - Step 3: Cross multiply
152,765,747,235.39x = 210,807,232,327.18 × 84,173,321,850.14 - Step 4: Simplify right side
152,765,747,235.39x = 17,744,345,015,011,904,585,728 - Step 5: Solve for x
x = 17,744,345,015,011,904,585,728/152,765,747,235.39 - Step 6: Final answer
x = 116,153,950,320.23
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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.