Finding the Fourth Proportional to 248,803,812, 343,306,745.28 and 144,357,940.80
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Solution
The fourth proportional to 248,803,812, 343,306,745.28 and 144,357,940.80 is: 199,189,290.60
Step by Step Solution
- Step 1: Write the proportion equation
248,803,812 : 343,306,745.28 = 144,357,940.80 : x - Step 2: Convert to fraction form
248,803,812/343,306,745.28 = 144,357,940.80/x - Step 3: Cross multiply
248,803,812x = 343,306,745.28 × 144,357,940.80 - Step 4: Simplify right side
248,803,812x = 49,559,054,811,370,920 - Step 5: Solve for x
x = 49,559,054,811,370,920/248,803,812 - Step 6: Final answer
x = 199,189,290.60
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.