Finding the Fourth Proportional to 153,511,445.97, 230,290,976.76 and 64,880,389.65
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Solution
The fourth proportional to 153,511,445.97, 230,290,976.76 and 64,880,389.65 is: 97,330,646.65
Step by Step Solution
- Step 1: Write the proportion equation
153,511,445.97 : 230,290,976.76 = 64,880,389.65 : x - Step 2: Convert to fraction form
153,511,445.97/230,290,976.76 = 64,880,389.65/x - Step 3: Cross multiply
153,511,445.97x = 230,290,976.76 × 64,880,389.65 - Step 4: Simplify right side
153,511,445.97x = 14,941,368,305,067,894 - Step 5: Solve for x
x = 14,941,368,305,067,894/153,511,445.97 - Step 6: Final answer
x = 97,330,646.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.