Finding the Fourth Proportional to 243,717,819.84, 365,637,236.76 and 120,953,753.28
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Solution
The fourth proportional to 243,717,819.84, 365,637,236.76 and 120,953,753.28 is: 181,460,658.70
Step by Step Solution
- Step 1: Write the proportion equation
243,717,819.84 : 365,637,236.76 = 120,953,753.28 : x - Step 2: Convert to fraction form
243,717,819.84/365,637,236.76 = 120,953,753.28/x - Step 3: Cross multiply
243,717,819.84x = 365,637,236.76 × 120,953,753.28 - Step 4: Simplify right side
243,717,819.84x = 44,225,196,125,049,984 - Step 5: Solve for x
x = 44,225,196,125,049,984/243,717,819.84 - Step 6: Final answer
x = 181,460,658.70
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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.