Finding the Fourth Proportional to 167,990,781.15, 231,828,268.85 and 97,468,382.65
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Solution
The fourth proportional to 167,990,781.15, 231,828,268.85 and 97,468,382.65 is: 134,506,942.96
Step by Step Solution
- Step 1: Write the proportion equation
167,990,781.15 : 231,828,268.85 = 97,468,382.65 : x - Step 2: Convert to fraction form
167,990,781.15/231,828,268.85 = 97,468,382.65/x - Step 3: Cross multiply
167,990,781.15x = 231,828,268.85 × 97,468,382.65 - Step 4: Simplify right side
167,990,781.15x = 22,595,926,417,358,876 - Step 5: Solve for x
x = 22,595,926,417,358,876/167,990,781.15 - Step 6: Final answer
x = 134,506,942.96
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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.