Finding the Fourth Proportional to 230,914,251,885.63, 345,924,602,682.42 and 129,878,135,811.95
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Solution
The fourth proportional to 230,914,251,885.63, 345,924,602,682.42 and 129,878,135,811.95 is: 194,565,914,234.41
Step by Step Solution
- Step 1: Write the proportion equation
230,914,251,885.63 : 345,924,602,682.42 = 129,878,135,811.95 : x - Step 2: Convert to fraction form
230,914,251,885.63/345,924,602,682.42 = 129,878,135,811.95/x - Step 3: Cross multiply
230,914,251,885.63x = 345,924,602,682.42 × 129,878,135,811.95 - Step 4: Simplify right side
230,914,251,885.63x = 44,928,042,527,882,181,869,568 - Step 5: Solve for x
x = 44,928,042,527,882,181,869,568/230,914,251,885.63 - Step 6: Final answer
x = 194,565,914,234.41
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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.