Finding the Fourth Proportional to 229,096,397.52, 316,163,439.35 and 135,014,515.20
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Solution
The fourth proportional to 229,096,397.52, 316,163,439.35 and 135,014,515.20 is: 186,326,166.41
Step by Step Solution
- Step 1: Write the proportion equation
229,096,397.52 : 316,163,439.35 = 135,014,515.20 : x - Step 2: Convert to fraction form
229,096,397.52/316,163,439.35 = 135,014,515.20/x - Step 3: Cross multiply
229,096,397.52x = 316,163,439.35 × 135,014,515.20 - Step 4: Simplify right side
229,096,397.52x = 42,686,653,488,142,392 - Step 5: Solve for x
x = 42,686,653,488,142,392/229,096,397.52 - Step 6: Final answer
x = 186,326,166.41
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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.