Finding the Fourth Proportional to 45,196,321.08, 62,312,380.79 and 29,273,075.40
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Solution
The fourth proportional to 45,196,321.08, 62,312,380.79 and 29,273,075.40 is: 40,358,926.95
Step by Step Solution
- Step 1: Write the proportion equation
45,196,321.08 : 62,312,380.79 = 29,273,075.40 : x - Step 2: Convert to fraction form
45,196,321.08/62,312,380.79 = 29,273,075.40/x - Step 3: Cross multiply
45,196,321.08x = 62,312,380.79 × 29,273,075.40 - Step 4: Simplify right side
45,196,321.08x = 1,824,075,021,072,816 - Step 5: Solve for x
x = 1,824,075,021,072,816/45,196,321.08 - Step 6: Final answer
x = 40,358,926.95
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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.