Finding the Fourth Proportional to 54,134,424.84, 74,698,601.58 and 30,931,054.68
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Solution
The fourth proportional to 54,134,424.84, 74,698,601.58 and 30,931,054.68 is: 42,680,910.29
Step by Step Solution
- Step 1: Write the proportion equation
54,134,424.84 : 74,698,601.58 = 30,931,054.68 : x - Step 2: Convert to fraction form
54,134,424.84/74,698,601.58 = 30,931,054.68/x - Step 3: Cross multiply
54,134,424.84x = 74,698,601.58 × 30,931,054.68 - Step 4: Simplify right side
54,134,424.84x = 2,310,506,529,990,514.50 - Step 5: Solve for x
x = 2,310,506,529,990,514.50/54,134,424.84 - Step 6: Final answer
x = 42,680,910.29
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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.