Finding the Fourth Proportional to 93,689,771.85, 129,295,925.46 and 51,873,838.05
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Solution
The fourth proportional to 93,689,771.85, 129,295,925.46 and 51,873,838.05 is: 71,588,133.53
Step by Step Solution
- Step 1: Write the proportion equation
93,689,771.85 : 129,295,925.46 = 51,873,838.05 : x - Step 2: Convert to fraction form
93,689,771.85/129,295,925.46 = 51,873,838.05/x - Step 3: Cross multiply
93,689,771.85x = 129,295,925.46 × 51,873,838.05 - Step 4: Simplify right side
93,689,771.85x = 6,707,075,897,836,911 - Step 5: Solve for x
x = 6,707,075,897,836,911/93,689,771.85 - Step 6: Final answer
x = 71,588,133.53
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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.