Finding the Fourth Proportional to 168,816,184.17, 232,966,334.16 and 91,553,848.17
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Solution
The fourth proportional to 168,816,184.17, 232,966,334.16 and 91,553,848.17 is: 126,344,310.48
Step by Step Solution
- Step 1: Write the proportion equation
168,816,184.17 : 232,966,334.16 = 91,553,848.17 : x - Step 2: Convert to fraction form
168,816,184.17/232,966,334.16 = 91,553,848.17/x - Step 3: Cross multiply
168,816,184.17x = 232,966,334.16 × 91,553,848.17 - Step 4: Simplify right side
168,816,184.17x = 21,328,964,386,584,756 - Step 5: Solve for x
x = 21,328,964,386,584,756/168,816,184.17 - Step 6: Final answer
x = 126,344,310.48
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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.