Finding the Fourth Proportional to 201,475,982.80, 302,139,324.60 and 65,165,813.20
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Solution
The fourth proportional to 201,475,982.80, 302,139,324.60 and 65,165,813.20 is: 97,724,574.98
Step by Step Solution
- Step 1: Write the proportion equation
201,475,982.80 : 302,139,324.60 = 65,165,813.20 : x - Step 2: Convert to fraction form
201,475,982.80/302,139,324.60 = 65,165,813.20/x - Step 3: Cross multiply
201,475,982.80x = 302,139,324.60 × 65,165,813.20 - Step 4: Simplify right side
201,475,982.80x = 19,689,154,787,257,768 - Step 5: Solve for x
x = 19,689,154,787,257,768/201,475,982.80 - Step 6: Final answer
x = 97,724,574.98
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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.