Finding the Fourth Proportional to 30,045,358.53, 45,035,159.85 and 15,473,160.63
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Solution
The fourth proportional to 30,045,358.53, 45,035,159.85 and 15,473,160.63 is: 23,192,809.02
Step by Step Solution
- Step 1: Write the proportion equation
30,045,358.53 : 45,035,159.85 = 15,473,160.63 : x - Step 2: Convert to fraction form
30,045,358.53/45,035,159.85 = 15,473,160.63/x - Step 3: Cross multiply
30,045,358.53x = 45,035,159.85 × 15,473,160.63 - Step 4: Simplify right side
30,045,358.53x = 696,836,262,356,776.75 - Step 5: Solve for x
x = 696,836,262,356,776.75/30,045,358.53 - Step 6: Final answer
x = 23,192,809.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.