Finding the Fourth Proportional to 212,802,981.86, 293,684,751.34 and 118,746,702.02
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Solution
The fourth proportional to 212,802,981.86, 293,684,751.34 and 118,746,702.02 is: 163,879,732.09
Step by Step Solution
- Step 1: Write the proportion equation
212,802,981.86 : 293,684,751.34 = 118,746,702.02 : x - Step 2: Convert to fraction form
212,802,981.86/293,684,751.34 = 118,746,702.02/x - Step 3: Cross multiply
212,802,981.86x = 293,684,751.34 × 118,746,702.02 - Step 4: Simplify right side
212,802,981.86x = 34,874,095,655,188,772 - Step 5: Solve for x
x = 34,874,095,655,188,772/212,802,981.86 - Step 6: Final answer
x = 163,879,732.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.