Finding the Fourth Proportional to 71,346,063.60, 107,019,095.40 and 48,671,247.60
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Solution
The fourth proportional to 71,346,063.60, 107,019,095.40 and 48,671,247.60 is: 73,006,871.40
Step by Step Solution
- Step 1: Write the proportion equation
71,346,063.60 : 107,019,095.40 = 48,671,247.60 : x - Step 2: Convert to fraction form
71,346,063.60/107,019,095.40 = 48,671,247.60/x - Step 3: Cross multiply
71,346,063.60x = 107,019,095.40 × 48,671,247.60 - Step 4: Simplify right side
71,346,063.60x = 5,208,752,890,141,421 - Step 5: Solve for x
x = 5,208,752,890,141,421/71,346,063.60 - Step 6: Final answer
x = 73,006,871.40
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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.