Finding the Fourth Proportional to 259,828,095.48, 358,608,971.70 and 155,417,653.68
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Solution
The fourth proportional to 259,828,095.48, 358,608,971.70 and 155,417,653.68 is: 214,503,996.83
Step by Step Solution
- Step 1: Write the proportion equation
259,828,095.48 : 358,608,971.70 = 155,417,653.68 : x - Step 2: Convert to fraction form
259,828,095.48/358,608,971.70 = 155,417,653.68/x - Step 3: Cross multiply
259,828,095.48x = 358,608,971.70 × 155,417,653.68 - Step 4: Simplify right side
259,828,095.48x = 55,734,164,970,211,520 - Step 5: Solve for x
x = 55,734,164,970,211,520/259,828,095.48 - Step 6: Final answer
x = 214,503,996.83
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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.