Finding the Fourth Proportional to 163,537,956.72, 245,416,023.54 and 84,827,006.55
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Solution
The fourth proportional to 163,537,956.72, 245,416,023.54 and 84,827,006.55 is: 127,297,093.92
Step by Step Solution
- Step 1: Write the proportion equation
163,537,956.72 : 245,416,023.54 = 84,827,006.55 : x - Step 2: Convert to fraction form
163,537,956.72/245,416,023.54 = 84,827,006.55/x - Step 3: Cross multiply
163,537,956.72x = 245,416,023.54 × 84,827,006.55 - Step 4: Simplify right side
163,537,956.72x = 20,817,906,636,302,532 - Step 5: Solve for x
x = 20,817,906,636,302,532/163,537,956.72 - Step 6: Final answer
x = 127,297,093.92
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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.