Finding the Fourth Proportional to 80,207,881.74, 110,688,636.52 and 48,847,400.46
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Solution
The fourth proportional to 80,207,881.74, 110,688,636.52 and 48,847,400.46 is: 67,410,484.32
Step by Step Solution
- Step 1: Write the proportion equation
80,207,881.74 : 110,688,636.52 = 48,847,400.46 : x - Step 2: Convert to fraction form
80,207,881.74/110,688,636.52 = 48,847,400.46/x - Step 3: Cross multiply
80,207,881.74x = 110,688,636.52 × 48,847,400.46 - Step 4: Simplify right side
80,207,881.74x = 5,406,852,154,463,821 - Step 5: Solve for x
x = 5,406,852,154,463,821/80,207,881.74 - Step 6: Final answer
x = 67,410,484.32
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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.