Finding the Fourth Proportional to 252,360,618.08, 348,258,134.88 and 139,330,328.48
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Solution
The fourth proportional to 252,360,618.08, 348,258,134.88 and 139,330,328.48 is: 192,276,119.38
Step by Step Solution
- Step 1: Write the proportion equation
252,360,618.08 : 348,258,134.88 = 139,330,328.48 : x - Step 2: Convert to fraction form
252,360,618.08/348,258,134.88 = 139,330,328.48/x - Step 3: Cross multiply
252,360,618.08x = 348,258,134.88 × 139,330,328.48 - Step 4: Simplify right side
252,360,618.08x = 48,522,920,328,662,544 - Step 5: Solve for x
x = 48,522,920,328,662,544/252,360,618.08 - Step 6: Final answer
x = 192,276,119.38
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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.