Finding the Fourth Proportional to 258,226,241.70, 387,362,623.44 and 83,353,421.92
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Solution
The fourth proportional to 258,226,241.70, 387,362,623.44 and 83,353,421.92 is: 125,037,641.31
Step by Step Solution
- Step 1: Write the proportion equation
258,226,241.70 : 387,362,623.44 = 83,353,421.92 : x - Step 2: Convert to fraction form
258,226,241.70/387,362,623.44 = 83,353,421.92/x - Step 3: Cross multiply
258,226,241.70x = 387,362,623.44 × 83,353,421.92 - Step 4: Simplify right side
258,226,241.70x = 32,288,000,187,632,404 - Step 5: Solve for x
x = 32,288,000,187,632,404/258,226,241.70 - Step 6: Final answer
x = 125,037,641.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.