Finding the Fourth Proportional to 158,004,482.58, 236,747,908.85 and 84,149,850.06
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Solution
The fourth proportional to 158,004,482.58, 236,747,908.85 and 84,149,850.06 is: 126,086,935.67
Step by Step Solution
- Step 1: Write the proportion equation
158,004,482.58 : 236,747,908.85 = 84,149,850.06 : x - Step 2: Convert to fraction form
158,004,482.58/236,747,908.85 = 84,149,850.06/x - Step 3: Cross multiply
158,004,482.58x = 236,747,908.85 × 84,149,850.06 - Step 4: Simplify right side
158,004,482.58x = 19,922,301,031,325,300 - Step 5: Solve for x
x = 19,922,301,031,325,300/158,004,482.58 - Step 6: Final answer
x = 126,086,935.67
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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.