Finding the Fourth Proportional to 230,297,115.84, 317,809,248 and 125,875,126.72
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Solution
The fourth proportional to 230,297,115.84, 317,809,248 and 125,875,126.72 is: 173,707,252.99
Step by Step Solution
- Step 1: Write the proportion equation
230,297,115.84 : 317,809,248 = 125,875,126.72 : x - Step 2: Convert to fraction form
230,297,115.84/317,809,248 = 125,875,126.72/x - Step 3: Cross multiply
230,297,115.84x = 317,809,248 × 125,875,126.72 - Step 4: Simplify right side
230,297,115.84x = 40,004,279,364,787,904 - Step 5: Solve for x
x = 40,004,279,364,787,904/230,297,115.84 - Step 6: Final answer
x = 173,707,252.99
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1.5x scale
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.