Finding the Fourth Proportional to 83,838,793.23, 115,696,349.60 and 47,169,276.75
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Solution
The fourth proportional to 83,838,793.23, 115,696,349.60 and 47,169,276.75 is: 65,092,935.18
Step by Step Solution
- Step 1: Write the proportion equation
83,838,793.23 : 115,696,349.60 = 47,169,276.75 : x - Step 2: Convert to fraction form
83,838,793.23/115,696,349.60 = 47,169,276.75/x - Step 3: Cross multiply
83,838,793.23x = 115,696,349.60 × 47,169,276.75 - Step 4: Simplify right side
83,838,793.23x = 5,457,313,133,011,305 - Step 5: Solve for x
x = 5,457,313,133,011,305/83,838,793.23 - Step 6: Final answer
x = 65,092,935.18
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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.