Finding the Fourth Proportional to 94,176,943.80, 141,265,415.70 and 68,667,775.80
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Solution
The fourth proportional to 94,176,943.80, 141,265,415.70 and 68,667,775.80 is: 103,001,663.70
Step by Step Solution
- Step 1: Write the proportion equation
94,176,943.80 : 141,265,415.70 = 68,667,775.80 : x - Step 2: Convert to fraction form
94,176,943.80/141,265,415.70 = 68,667,775.80/x - Step 3: Cross multiply
94,176,943.80x = 141,265,415.70 × 68,667,775.80 - Step 4: Simplify right side
94,176,943.80x = 9,700,381,893,581,398 - Step 5: Solve for x
x = 9,700,381,893,581,398/94,176,943.80 - Step 6: Final answer
x = 103,001,663.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.