Finding the Fourth Proportional to 220,549,536.96, 330,860,241.42 and 65,119,056.72
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Solution
The fourth proportional to 220,549,536.96, 330,860,241.42 and 65,119,056.72 is: 97,689,195.47
Step by Step Solution
- Step 1: Write the proportion equation
220,549,536.96 : 330,860,241.42 = 65,119,056.72 : x - Step 2: Convert to fraction form
220,549,536.96/330,860,241.42 = 65,119,056.72/x - Step 3: Cross multiply
220,549,536.96x = 330,860,241.42 × 65,119,056.72 - Step 4: Simplify right side
220,549,536.96x = 21,545,306,827,421,876 - Step 5: Solve for x
x = 21,545,306,827,421,876/220,549,536.96 - Step 6: Final answer
x = 97,689,195.47
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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.