Finding the Fourth Proportional to 120,851,214.99, 181,147,759.68 and 68,924,005.73
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Solution
The fourth proportional to 120,851,214.99, 181,147,759.68 and 68,924,005.73 is: 103,312,401.35
Step by Step Solution
- Step 1: Write the proportion equation
120,851,214.99 : 181,147,759.68 = 68,924,005.73 : x - Step 2: Convert to fraction form
120,851,214.99/181,147,759.68 = 68,924,005.73/x - Step 3: Cross multiply
120,851,214.99x = 181,147,759.68 × 68,924,005.73 - Step 4: Simplify right side
120,851,214.99x = 12,485,429,226,160,984 - Step 5: Solve for x
x = 12,485,429,226,160,984/120,851,214.99 - Step 6: Final answer
x = 103,312,401.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.