Finding the Fourth Proportional to 245,718,176.67, 368,629,029.49 and 79,708,719.15
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Solution
The fourth proportional to 245,718,176.67, 368,629,029.49 and 79,708,719.15 is: 119,579,870.65
Step by Step Solution
- Step 1: Write the proportion equation
245,718,176.67 : 368,629,029.49 = 79,708,719.15 : x - Step 2: Convert to fraction form
245,718,176.67/368,629,029.49 = 79,708,719.15/x - Step 3: Cross multiply
245,718,176.67x = 368,629,029.49 × 79,708,719.15 - Step 4: Simplify right side
245,718,176.67x = 29,382,947,783,611,304 - Step 5: Solve for x
x = 29,382,947,783,611,304/245,718,176.67 - Step 6: Final answer
x = 119,579,870.65
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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.