Finding the Fourth Proportional to 141,793,976.20, 212,690,964.30 and 121,386,641.80
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Solution
The fourth proportional to 141,793,976.20, 212,690,964.30 and 121,386,641.80 is: 182,079,962.70
Step by Step Solution
- Step 1: Write the proportion equation
141,793,976.20 : 212,690,964.30 = 121,386,641.80 : x - Step 2: Convert to fraction form
141,793,976.20/212,690,964.30 = 121,386,641.80/x - Step 3: Cross multiply
141,793,976.20x = 212,690,964.30 × 121,386,641.80 - Step 4: Simplify right side
141,793,976.20x = 25,817,841,897,580,688 - Step 5: Solve for x
x = 25,817,841,897,580,688/141,793,976.20 - Step 6: Final answer
x = 182,079,962.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.