Finding the Fourth Proportional to 159,473,880.12, 220,073,168.45 and 92,506,382.12
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Solution
The fourth proportional to 159,473,880.12, 220,073,168.45 and 92,506,382.12 is: 127,658,351.32
Step by Step Solution
- Step 1: Write the proportion equation
159,473,880.12 : 220,073,168.45 = 92,506,382.12 : x - Step 2: Convert to fraction form
159,473,880.12/220,073,168.45 = 92,506,382.12/x - Step 3: Cross multiply
159,473,880.12x = 220,073,168.45 × 92,506,382.12 - Step 4: Simplify right side
159,473,880.12x = 20,358,172,615,067,300 - Step 5: Solve for x
x = 20,358,172,615,067,300/159,473,880.12 - Step 6: Final answer
x = 127,658,351.32
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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.