Finding the Fourth Proportional to 97,085,271.84, 133,978,131.78 and 53,032,881.84
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Solution
The fourth proportional to 97,085,271.84, 133,978,131.78 and 53,032,881.84 is: 73,185,626.38
Step by Step Solution
- Step 1: Write the proportion equation
97,085,271.84 : 133,978,131.78 = 53,032,881.84 : x - Step 2: Convert to fraction form
97,085,271.84/133,978,131.78 = 53,032,881.84/x - Step 3: Cross multiply
97,085,271.84x = 133,978,131.78 × 53,032,881.84 - Step 4: Simplify right side
97,085,271.84x = 7,105,246,431,832,689 - Step 5: Solve for x
x = 7,105,246,431,832,689/97,085,271.84 - Step 6: Final answer
x = 73,185,626.38
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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.