Finding the Fourth Proportional to 172,241,286.19, 237,698,714.91 and 93,929,124.58
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Solution
The fourth proportional to 172,241,286.19, 237,698,714.91 and 93,929,124.58 is: 129,625,322.12
Step by Step Solution
- Step 1: Write the proportion equation
172,241,286.19 : 237,698,714.91 = 93,929,124.58 : x - Step 2: Convert to fraction form
172,241,286.19/237,698,714.91 = 93,929,124.58/x - Step 3: Cross multiply
172,241,286.19x = 237,698,714.91 × 93,929,124.58 - Step 4: Simplify right side
172,241,286.19x = 22,326,832,205,287,292 - Step 5: Solve for x
x = 22,326,832,205,287,292/172,241,286.19 - Step 6: Final answer
x = 129,625,322.12
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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.