Finding the Fourth Proportional to 190,862,960.03, 286,725,412.97 and 113,190,808.46
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Solution
The fourth proportional to 190,862,960.03, 286,725,412.97 and 113,190,808.46 is: 170,041,800.12
Step by Step Solution
- Step 1: Write the proportion equation
190,862,960.03 : 286,725,412.97 = 113,190,808.46 : x - Step 2: Convert to fraction form
190,862,960.03/286,725,412.97 = 113,190,808.46/x - Step 3: Cross multiply
190,862,960.03x = 286,725,412.97 × 113,190,808.46 - Step 4: Simplify right side
190,862,960.03x = 32,454,681,298,102,084 - Step 5: Solve for x
x = 32,454,681,298,102,084/190,862,960.03 - Step 6: Final answer
x = 170,041,800.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.