Finding the Fourth Proportional to 102,187,920.96, 140,998,279.68 and 58,719,458.88
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Solution
The fourth proportional to 102,187,920.96, 140,998,279.68 and 58,719,458.88 is: 81,020,756.74
Step by Step Solution
- Step 1: Write the proportion equation
102,187,920.96 : 140,998,279.68 = 58,719,458.88 : x - Step 2: Convert to fraction form
102,187,920.96/140,998,279.68 = 58,719,458.88/x - Step 3: Cross multiply
102,187,920.96x = 140,998,279.68 × 58,719,458.88 - Step 4: Simplify right side
102,187,920.96x = 8,279,342,685,820,500 - Step 5: Solve for x
x = 8,279,342,685,820,500/102,187,920.96 - Step 6: Final answer
x = 81,020,756.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.