Finding the Fourth Proportional to 121,299,005.99, 182,030,376.75 and 47,513,633.75
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Solution
The fourth proportional to 121,299,005.99, 182,030,376.75 and 47,513,633.75 is: 71,302,518.77
Step by Step Solution
- Step 1: Write the proportion equation
121,299,005.99 : 182,030,376.75 = 47,513,633.75 : x - Step 2: Convert to fraction form
121,299,005.99/182,030,376.75 = 47,513,633.75/x - Step 3: Cross multiply
121,299,005.99x = 182,030,376.75 × 47,513,633.75 - Step 4: Simplify right side
121,299,005.99x = 8,648,924,651,363,863 - Step 5: Solve for x
x = 8,648,924,651,363,863/121,299,005.99 - Step 6: Final answer
x = 71,302,518.77
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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.