Finding the Fourth Proportional to 225,778,038.70, 338,566,959.57 and 120,707,885.62
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Solution
The fourth proportional to 225,778,038.70, 338,566,959.57 and 120,707,885.62 is: 181,008,312.70
Step by Step Solution
- Step 1: Write the proportion equation
225,778,038.70 : 338,566,959.57 = 120,707,885.62 : x - Step 2: Convert to fraction form
225,778,038.70/338,566,959.57 = 120,707,885.62/x - Step 3: Cross multiply
225,778,038.70x = 338,566,959.57 × 120,707,885.62 - Step 4: Simplify right side
225,778,038.70x = 40,867,701,830,486,728 - Step 5: Solve for x
x = 40,867,701,830,486,728/225,778,038.70 - Step 6: Final answer
x = 181,008,312.70
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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.