Finding the Fourth Proportional to 84,043,316.10, 115,979,930.99 and 46,875,992.03
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Solution
The fourth proportional to 84,043,316.10, 115,979,930.99 and 46,875,992.03 is: 64,688,955.32
Step by Step Solution
- Step 1: Write the proportion equation
84,043,316.10 : 115,979,930.99 = 46,875,992.03 : x - Step 2: Convert to fraction form
84,043,316.10/115,979,930.99 = 46,875,992.03/x - Step 3: Cross multiply
84,043,316.10x = 115,979,930.99 × 46,875,992.03 - Step 4: Simplify right side
84,043,316.10x = 5,436,674,320,174,436 - Step 5: Solve for x
x = 5,436,674,320,174,436/84,043,316.10 - Step 6: Final answer
x = 64,688,955.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.