Finding the Fourth Proportional to 304,909,111.68, 420,777,231.36 and 165,679,875.84
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Solution
The fourth proportional to 304,909,111.68, 420,777,231.36 and 165,679,875.84 is: 228,639,672.54
Step by Step Solution
- Step 1: Write the proportion equation
304,909,111.68 : 420,777,231.36 = 165,679,875.84 : x - Step 2: Convert to fraction form
304,909,111.68/420,777,231.36 = 165,679,875.84/x - Step 3: Cross multiply
304,909,111.68x = 420,777,231.36 × 165,679,875.84 - Step 4: Simplify right side
304,909,111.68x = 69,714,319,448,023,760 - Step 5: Solve for x
x = 69,714,319,448,023,760/304,909,111.68 - Step 6: Final answer
x = 228,639,672.54
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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.