Finding the Fourth Proportional to 49,832,529.70, 74,668,312.95 and 28,202,808.10
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Solution
The fourth proportional to 49,832,529.70, 74,668,312.95 and 28,202,808.10 is: 42,258,663.45
Step by Step Solution
- Step 1: Write the proportion equation
49,832,529.70 : 74,668,312.95 = 28,202,808.10 : x - Step 2: Convert to fraction form
49,832,529.70/74,668,312.95 = 28,202,808.10/x - Step 3: Cross multiply
49,832,529.70x = 74,668,312.95 × 28,202,808.10 - Step 4: Simplify right side
49,832,529.70x = 2,105,856,101,279,595 - Step 5: Solve for x
x = 2,105,856,101,279,595/49,832,529.70 - Step 6: Final answer
x = 42,258,663.45
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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.