Finding the Fourth Proportional to 118,221,497.52, 163,172,866.68 and 69,344,671.92
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Solution
The fourth proportional to 118,221,497.52, 163,172,866.68 and 69,344,671.92 is: 95,711,601.90
Step by Step Solution
- Step 1: Write the proportion equation
118,221,497.52 : 163,172,866.68 = 69,344,671.92 : x - Step 2: Convert to fraction form
118,221,497.52/163,172,866.68 = 69,344,671.92/x - Step 3: Cross multiply
118,221,497.52x = 163,172,866.68 × 69,344,671.92 - Step 4: Simplify right side
118,221,497.52x = 11,315,168,906,170,500 - Step 5: Solve for x
x = 11,315,168,906,170,500/118,221,497.52 - Step 6: Final answer
x = 95,711,601.90
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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.