Finding the Fourth Proportional to 230,523,778.58, 318,130,402.23 and 126,099,460.26
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Solution
The fourth proportional to 230,523,778.58, 318,130,402.23 and 126,099,460.26 is: 174,021,405.78
Step by Step Solution
- Step 1: Write the proportion equation
230,523,778.58 : 318,130,402.23 = 126,099,460.26 : x - Step 2: Convert to fraction form
230,523,778.58/318,130,402.23 = 126,099,460.26/x - Step 3: Cross multiply
230,523,778.58x = 318,130,402.23 × 126,099,460.26 - Step 4: Simplify right side
230,523,778.58x = 40,116,072,013,499,704 - Step 5: Solve for x
x = 40,116,072,013,499,704/230,523,778.58 - Step 6: Final answer
x = 174,021,405.78
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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.