Finding the Fourth Proportional to 97,492,402.99, 134,313,400.78 and 68,077,143.64
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Solution
The fourth proportional to 97,492,402.99, 134,313,400.78 and 68,077,143.64 is: 93,788,566.05
Step by Step Solution
- Step 1: Write the proportion equation
97,492,402.99 : 134,313,400.78 = 68,077,143.64 : x - Step 2: Convert to fraction form
97,492,402.99/134,313,400.78 = 68,077,143.64/x - Step 3: Cross multiply
97,492,402.99x = 134,313,400.78 × 68,077,143.64 - Step 4: Simplify right side
97,492,402.99x = 9,143,672,677,676,948 - Step 5: Solve for x
x = 9,143,672,677,676,948/97,492,402.99 - Step 6: Final answer
x = 93,788,566.05
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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.