Finding the Fourth Proportional to 248,247,238.42, 342,581,187.68 and 143,885,844.05
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Solution
The fourth proportional to 248,247,238.42, 342,581,187.68 and 143,885,844.05 is: 198,562,464.00
Step by Step Solution
- Step 1: Write the proportion equation
248,247,238.42 : 342,581,187.68 = 143,885,844.05 : x - Step 2: Convert to fraction form
248,247,238.42/342,581,187.68 = 143,885,844.05/x - Step 3: Cross multiply
248,247,238.42x = 342,581,187.68 × 143,885,844.05 - Step 4: Simplify right side
248,247,238.42x = 49,292,583,343,095,488 - Step 5: Solve for x
x = 49,292,583,343,095,488/248,247,238.42 - Step 6: Final answer
x = 198,562,464.00
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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.