Finding the Fourth Proportional to 205,081,901.92, 283,013,788.35 and 112,271,045.68
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Solution
The fourth proportional to 205,081,901.92, 283,013,788.35 and 112,271,045.68 is: 154,934,461.12
Step by Step Solution
- Step 1: Write the proportion equation
205,081,901.92 : 283,013,788.35 = 112,271,045.68 : x - Step 2: Convert to fraction form
205,081,901.92/283,013,788.35 = 112,271,045.68/x - Step 3: Cross multiply
205,081,901.92x = 283,013,788.35 × 112,271,045.68 - Step 4: Simplify right side
205,081,901.92x = 31,774,253,959,912,708 - Step 5: Solve for x
x = 31,774,253,959,912,708/205,081,901.92 - Step 6: Final answer
x = 154,934,461.12
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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.