Finding the Fourth Proportional to 310,711,730.16, 466,128,992.19 and 113,976,969.91
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Solution
The fourth proportional to 310,711,730.16, 466,128,992.19 and 113,976,969.91 is: 170,987,976.83
Step by Step Solution
- Step 1: Write the proportion equation
310,711,730.16 : 466,128,992.19 = 113,976,969.91 : x - Step 2: Convert to fraction form
310,711,730.16/466,128,992.19 = 113,976,969.91/x - Step 3: Cross multiply
310,711,730.16x = 466,128,992.19 × 113,976,969.91 - Step 4: Simplify right side
310,711,730.16x = 53,127,970,117,268,752 - Step 5: Solve for x
x = 53,127,970,117,268,752/310,711,730.16 - Step 6: Final answer
x = 170,987,976.83
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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.