Finding the Fourth Proportional to 112,117,873.67, 154,723,093.40 and 62,560,336.12
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Solution
The fourth proportional to 112,117,873.67, 154,723,093.40 and 62,560,336.12 is: 86,333,502.52
Step by Step Solution
- Step 1: Write the proportion equation
112,117,873.67 : 154,723,093.40 = 62,560,336.12 : x - Step 2: Convert to fraction form
112,117,873.67/154,723,093.40 = 62,560,336.12/x - Step 3: Cross multiply
112,117,873.67x = 154,723,093.40 × 62,560,336.12 - Step 4: Simplify right side
112,117,873.67x = 9,679,528,728,630,154 - Step 5: Solve for x
x = 9,679,528,728,630,154/112,117,873.67 - Step 6: Final answer
x = 86,333,502.52
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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.