Finding the Fourth Proportional to 279,199,423.02, 418,990,424.12 and 97,446,601.02
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Solution
The fourth proportional to 279,199,423.02, 418,990,424.12 and 97,446,601.02 is: 146,236,665.71
Step by Step Solution
- Step 1: Write the proportion equation
279,199,423.02 : 418,990,424.12 = 97,446,601.02 : x - Step 2: Convert to fraction form
279,199,423.02/418,990,424.12 = 97,446,601.02/x - Step 3: Cross multiply
279,199,423.02x = 418,990,424.12 × 97,446,601.02 - Step 4: Simplify right side
279,199,423.02x = 40,829,192,690,422,224 - Step 5: Solve for x
x = 40,829,192,690,422,224/279,199,423.02 - Step 6: Final answer
x = 146,236,665.71
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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.