Finding the Fourth Proportional to 135,983,124.10, 203,974,686.15 and 109,109,268.10
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Solution
The fourth proportional to 135,983,124.10, 203,974,686.15 and 109,109,268.10 is: 163,663,902.15
Step by Step Solution
- Step 1: Write the proportion equation
135,983,124.10 : 203,974,686.15 = 109,109,268.10 : x - Step 2: Convert to fraction form
135,983,124.10/203,974,686.15 = 109,109,268.10/x - Step 3: Cross multiply
135,983,124.10x = 203,974,686.15 × 109,109,268.10 - Step 4: Simplify right side
135,983,124.10x = 22,255,528,716,753,708 - Step 5: Solve for x
x = 22,255,528,716,753,708/135,983,124.10 - Step 6: Final answer
x = 163,663,902.15
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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.