Finding the Fourth Proportional to 191,812,202.67, 264,700,341.81 and 107,038,432.69
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Solution
The fourth proportional to 191,812,202.67, 264,700,341.81 and 107,038,432.69 is: 147,712,759.28
Step by Step Solution
- Step 1: Write the proportion equation
191,812,202.67 : 264,700,341.81 = 107,038,432.69 : x - Step 2: Convert to fraction form
191,812,202.67/264,700,341.81 = 107,038,432.69/x - Step 3: Cross multiply
191,812,202.67x = 264,700,341.81 × 107,038,432.69 - Step 4: Simplify right side
191,812,202.67x = 28,333,109,719,187,928 - Step 5: Solve for x
x = 28,333,109,719,187,928/191,812,202.67 - Step 6: Final answer
x = 147,712,759.28
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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.