Finding the Fourth Proportional to 75,921,171.98, 113,884,907.25 and 22,068,483.98
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Solution
The fourth proportional to 75,921,171.98, 113,884,907.25 and 22,068,483.98 is: 33,103,641.39
Step by Step Solution
- Step 1: Write the proportion equation
75,921,171.98 : 113,884,907.25 = 22,068,483.98 : x - Step 2: Convert to fraction form
75,921,171.98/113,884,907.25 = 22,068,483.98/x - Step 3: Cross multiply
75,921,171.98x = 113,884,907.25 × 22,068,483.98 - Step 4: Simplify right side
75,921,171.98x = 2,513,267,251,210,411 - Step 5: Solve for x
x = 2,513,267,251,210,411/75,921,171.98 - Step 6: Final answer
x = 33,103,641.39
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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.