Finding the Fourth Proportional to 187,282,265.20, 258,447,621.98 and 103,650,558.19
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Solution
The fourth proportional to 187,282,265.20, 258,447,621.98 and 103,650,558.19 is: 143,036,716.54
Step by Step Solution
- Step 1: Write the proportion equation
187,282,265.20 : 258,447,621.98 = 103,650,558.19 : x - Step 2: Convert to fraction form
187,282,265.20/258,447,621.98 = 103,650,558.19/x - Step 3: Cross multiply
187,282,265.20x = 258,447,621.98 × 103,650,558.19 - Step 4: Simplify right side
187,282,265.20x = 26,788,240,280,718,120 - Step 5: Solve for x
x = 26,788,240,280,718,120/187,282,265.20 - Step 6: Final answer
x = 143,036,716.54
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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.