Finding the Fourth Proportional to 208,867,926.54, 288,245,517.47 and 125,249,670.99
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Solution
The fourth proportional to 208,867,926.54, 288,245,517.47 and 125,249,670.99 is: 172,849,210.62
Step by Step Solution
- Step 1: Write the proportion equation
208,867,926.54 : 288,245,517.47 = 125,249,670.99 : x - Step 2: Convert to fraction form
208,867,926.54/288,245,517.47 = 125,249,670.99/x - Step 3: Cross multiply
208,867,926.54x = 288,245,517.47 × 125,249,670.99 - Step 4: Simplify right side
208,867,926.54x = 36,102,656,226,833,544 - Step 5: Solve for x
x = 36,102,656,226,833,544/208,867,926.54 - Step 6: Final answer
x = 172,849,210.62
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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.