Finding the Fourth Proportional to 162,385,643.10, 243,578,464.65 and 76,292,201.10
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Solution
The fourth proportional to 162,385,643.10, 243,578,464.65 and 76,292,201.10 is: 114,438,301.65
Step by Step Solution
- Step 1: Write the proportion equation
162,385,643.10 : 243,578,464.65 = 76,292,201.10 : x - Step 2: Convert to fraction form
162,385,643.10/243,578,464.65 = 76,292,201.10/x - Step 3: Cross multiply
162,385,643.10x = 243,578,464.65 × 76,292,201.10 - Step 4: Simplify right side
162,385,643.10x = 18,583,137,208,707,040 - Step 5: Solve for x
x = 18,583,137,208,707,040/162,385,643.10 - Step 6: Final answer
x = 114,438,301.65
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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.