Finding the Fourth Proportional to 243,163,885.30, 335,565,718.10 and 131,654,712.44
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Solution
The fourth proportional to 243,163,885.30, 335,565,718.10 and 131,654,712.44 is: 181,683,262.99
Step by Step Solution
- Step 1: Write the proportion equation
243,163,885.30 : 335,565,718.10 = 131,654,712.44 : x - Step 2: Convert to fraction form
243,163,885.30/335,565,718.10 = 131,654,712.44/x - Step 3: Cross multiply
243,163,885.30x = 335,565,718.10 × 131,654,712.44 - Step 4: Simplify right side
243,163,885.30x = 44,178,808,120,519,336 - Step 5: Solve for x
x = 44,178,808,120,519,336/243,163,885.30 - Step 6: Final answer
x = 181,683,262.99
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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.