Finding the Fourth Proportional to 234,528,272.84, 323,649,397.86 and 130,106,346.68
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Solution
The fourth proportional to 234,528,272.84, 323,649,397.86 and 130,106,346.68 is: 179,546,969.97
Step by Step Solution
- Step 1: Write the proportion equation
234,528,272.84 : 323,649,397.86 = 130,106,346.68 : x - Step 2: Convert to fraction form
234,528,272.84/323,649,397.86 = 130,106,346.68/x - Step 3: Cross multiply
234,528,272.84x = 323,649,397.86 × 130,106,346.68 - Step 4: Simplify right side
234,528,272.84x = 42,108,840,760,746,416 - Step 5: Solve for x
x = 42,108,840,760,746,416/234,528,272.84 - Step 6: Final answer
x = 179,546,969.97
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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.