Finding the Fourth Proportional to 57,979,318.80, 80,006,703.84 and 34,133,160.99
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Solution
The fourth proportional to 57,979,318.80, 80,006,703.84 and 34,133,160.99 is: 47,100,962.19
Step by Step Solution
- Step 1: Write the proportion equation
57,979,318.80 : 80,006,703.84 = 34,133,160.99 : x - Step 2: Convert to fraction form
57,979,318.80/80,006,703.84 = 34,133,160.99/x - Step 3: Cross multiply
57,979,318.80x = 80,006,703.84 × 34,133,160.99 - Step 4: Simplify right side
57,979,318.80x = 2,730,881,702,449,971.50 - Step 5: Solve for x
x = 2,730,881,702,449,971.50/57,979,318.80 - Step 6: Final answer
x = 47,100,962.19
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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.