Finding the Fourth Proportional to 168,146,587.84, 252,292,696.55 and 90,332,701.37
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Solution
The fourth proportional to 168,146,587.84, 252,292,696.55 and 90,332,701.37 is: 135,538,170.05
Step by Step Solution
- Step 1: Write the proportion equation
168,146,587.84 : 252,292,696.55 = 90,332,701.37 : x - Step 2: Convert to fraction form
168,146,587.84/252,292,696.55 = 90,332,701.37/x - Step 3: Cross multiply
168,146,587.84x = 252,292,696.55 × 90,332,701.37 - Step 4: Simplify right side
168,146,587.84x = 22,790,280,815,283,180 - Step 5: Solve for x
x = 22,790,280,815,283,180/168,146,587.84 - Step 6: Final answer
x = 135,538,170.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.