Finding the Fourth Proportional to 83,838,858.24, 115,696,439.16 and 47,169,341.76
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Solution
The fourth proportional to 83,838,858.24, 115,696,439.16 and 47,169,341.76 is: 65,093,024.81
Step by Step Solution
- Step 1: Write the proportion equation
83,838,858.24 : 115,696,439.16 = 47,169,341.76 : x - Step 2: Convert to fraction form
83,838,858.24/115,696,439.16 = 47,169,341.76/x - Step 3: Cross multiply
83,838,858.24x = 115,696,439.16 × 47,169,341.76 - Step 4: Simplify right side
83,838,858.24x = 5,457,324,879,153,087 - Step 5: Solve for x
x = 5,457,324,879,153,087/83,838,858.24 - Step 6: Final answer
x = 65,093,024.81
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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.