Finding the Fourth Proportional to 145,537,808.40, 218,306,712.60 and 119,709,775.80
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Solution
The fourth proportional to 145,537,808.40, 218,306,712.60 and 119,709,775.80 is: 179,564,663.70
Step by Step Solution
- Step 1: Write the proportion equation
145,537,808.40 : 218,306,712.60 = 119,709,775.80 : x - Step 2: Convert to fraction form
145,537,808.40/218,306,712.60 = 119,709,775.80/x - Step 3: Cross multiply
145,537,808.40x = 218,306,712.60 × 119,709,775.80 - Step 4: Simplify right side
145,537,808.40x = 26,133,447,620,981,032 - Step 5: Solve for x
x = 26,133,447,620,981,032/145,537,808.40 - Step 6: Final answer
x = 179,564,663.70
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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.