Finding the Fourth Proportional to 310,711,695.15, 466,128,939.93 and 113,976,935.07
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Solution
The fourth proportional to 310,711,695.15, 466,128,939.93 and 113,976,935.07 is: 170,987,924.66
Step by Step Solution
- Step 1: Write the proportion equation
310,711,695.15 : 466,128,939.93 = 113,976,935.07 : x - Step 2: Convert to fraction form
310,711,695.15/466,128,939.93 = 113,976,935.07/x - Step 3: Cross multiply
310,711,695.15x = 466,128,939.93 × 113,976,935.07 - Step 4: Simplify right side
310,711,695.15x = 53,127,947,920,649,536 - Step 5: Solve for x
x = 53,127,947,920,649,536/310,711,695.15 - Step 6: Final answer
x = 170,987,924.66
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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.