Finding the Fourth Proportional to 181,445,823.30, 272,168,734.95 and 66,434,117.70
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Solution
The fourth proportional to 181,445,823.30, 272,168,734.95 and 66,434,117.70 is: 99,651,176.55
Step by Step Solution
- Step 1: Write the proportion equation
181,445,823.30 : 272,168,734.95 = 66,434,117.70 : x - Step 2: Convert to fraction form
181,445,823.30/272,168,734.95 = 66,434,117.70/x - Step 3: Cross multiply
181,445,823.30x = 272,168,734.95 × 66,434,117.70 - Step 4: Simplify right side
181,445,823.30x = 18,081,289,771,928,404 - Step 5: Solve for x
x = 18,081,289,771,928,404/181,445,823.30 - Step 6: Final answer
x = 99,651,176.55
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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.