Finding the Fourth Proportional to 286,763,277.80, 430,144,916.70 and 95,287,053.80
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Solution
The fourth proportional to 286,763,277.80, 430,144,916.70 and 95,287,053.80 is: 142,930,580.70
Step by Step Solution
- Step 1: Write the proportion equation
286,763,277.80 : 430,144,916.70 = 95,287,053.80 : x - Step 2: Convert to fraction form
286,763,277.80/430,144,916.70 = 95,287,053.80/x - Step 3: Cross multiply
286,763,277.80x = 430,144,916.70 × 95,287,053.80 - Step 4: Simplify right side
286,763,277.80x = 40,987,241,819,389,416 - Step 5: Solve for x
x = 40,987,241,819,389,416/286,763,277.80 - Step 6: Final answer
x = 142,930,580.70
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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.