Finding the Fourth Proportional to 83,445,897.38, 125,186,757.19 and 28,119,198.11
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Solution
The fourth proportional to 83,445,897.38, 125,186,757.19 and 28,119,198.11 is: 42,184,832.76
Step by Step Solution
- Step 1: Write the proportion equation
83,445,897.38 : 125,186,757.19 = 28,119,198.11 : x - Step 2: Convert to fraction form
83,445,897.38/125,186,757.19 = 28,119,198.11/x - Step 3: Cross multiply
83,445,897.38x = 125,186,757.19 × 28,119,198.11 - Step 4: Simplify right side
83,445,897.38x = 3,520,151,225,548,143 - Step 5: Solve for x
x = 3,520,151,225,548,143/83,445,897.38 - Step 6: Final answer
x = 42,184,832.76
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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.