Finding the Fourth Proportional to 97,492,399.74, 134,313,396.30 and 68,077,140.39
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Solution
The fourth proportional to 97,492,399.74, 134,313,396.30 and 68,077,140.39 is: 93,788,561.58
Step by Step Solution
- Step 1: Write the proportion equation
97,492,399.74 : 134,313,396.30 = 68,077,140.39 : x - Step 2: Convert to fraction form
97,492,399.74/134,313,396.30 = 68,077,140.39/x - Step 3: Cross multiply
97,492,399.74x = 134,313,396.30 × 68,077,140.39 - Step 4: Simplify right side
97,492,399.74x = 9,143,671,936,172,808 - Step 5: Solve for x
x = 9,143,671,936,172,808/97,492,399.74 - Step 6: Final answer
x = 93,788,561.58
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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.