Finding the Fourth Proportional to 157,454,843.97, 236,155,347.63 and 42,412,482.12
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Solution
The fourth proportional to 157,454,843.97, 236,155,347.63 and 42,412,482.12 is: 63,611,472.38
Step by Step Solution
- Step 1: Write the proportion equation
157,454,843.97 : 236,155,347.63 = 42,412,482.12 : x - Step 2: Convert to fraction form
157,454,843.97/236,155,347.63 = 42,412,482.12/x - Step 3: Cross multiply
157,454,843.97x = 236,155,347.63 × 42,412,482.12 - Step 4: Simplify right side
157,454,843.97x = 10,015,934,458,899,758 - Step 5: Solve for x
x = 10,015,934,458,899,758/157,454,843.97 - Step 6: Final answer
x = 63,611,472.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.