Finding the Fourth Proportional to 314,928,708.60, 472,393,062.90 and 110,430,211.80
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Solution
The fourth proportional to 314,928,708.60, 472,393,062.90 and 110,430,211.80 is: 165,645,317.70
Step by Step Solution
- Step 1: Write the proportion equation
314,928,708.60 : 472,393,062.90 = 110,430,211.80 : x - Step 2: Convert to fraction form
314,928,708.60/472,393,062.90 = 110,430,211.80/x - Step 3: Cross multiply
314,928,708.60x = 472,393,062.90 × 110,430,211.80 - Step 4: Simplify right side
314,928,708.60x = 52,166,465,988,897,720 - Step 5: Solve for x
x = 52,166,465,988,897,720/314,928,708.60 - Step 6: Final answer
x = 165,645,317.70
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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.