Finding the Fourth Proportional to 329,187,112.10, 493,556,719.35 and 156,746,536.10
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Solution
The fourth proportional to 329,187,112.10, 493,556,719.35 and 156,746,536.10 is: 235,013,168.14
Step by Step Solution
- Step 1: Write the proportion equation
329,187,112.10 : 493,556,719.35 = 156,746,536.10 : x - Step 2: Convert to fraction form
329,187,112.10/493,556,719.35 = 156,746,536.10/x - Step 3: Cross multiply
329,187,112.10x = 493,556,719.35 × 156,746,536.10 - Step 4: Simplify right side
329,187,112.10x = 77,363,306,126,992,352 - Step 5: Solve for x
x = 77,363,306,126,992,352/329,187,112.10 - Step 6: Final answer
x = 235,013,168.14
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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.