Finding the Fourth Proportional to 229,321,567.80, 316,499,706 and 135,246,055.14
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Solution
The fourth proportional to 229,321,567.80, 316,499,706 and 135,246,055.14 is: 186,660,753.72
Step by Step Solution
- Step 1: Write the proportion equation
229,321,567.80 : 316,499,706 = 135,246,055.14 : x - Step 2: Convert to fraction form
229,321,567.80/316,499,706 = 135,246,055.14/x - Step 3: Cross multiply
229,321,567.80x = 316,499,706 × 135,246,055.14 - Step 4: Simplify right side
229,321,567.80x = 42,805,336,689,469,784 - Step 5: Solve for x
x = 42,805,336,689,469,784/229,321,567.80 - Step 6: Final answer
x = 186,660,753.72
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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.