Finding the Fourth Proportional to 97,159,968.86, 145,765,478.18 and 34,917,567.50
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Solution
The fourth proportional to 97,159,968.86, 145,765,478.18 and 34,917,567.50 is: 52,385,524.45
Step by Step Solution
- Step 1: Write the proportion equation
97,159,968.86 : 145,765,478.18 = 34,917,567.50 : x - Step 2: Convert to fraction form
97,159,968.86/145,765,478.18 = 34,917,567.50/x - Step 3: Cross multiply
97,159,968.86x = 145,765,478.18 × 34,917,567.50 - Step 4: Simplify right side
97,159,968.86x = 5,089,775,923,971,635 - Step 5: Solve for x
x = 5,089,775,923,971,635/97,159,968.86 - Step 6: Final answer
x = 52,385,524.45
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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.