Finding the Fourth Proportional to 165,034,934.70, 247,552,402.05 and 147,816,246.30
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Solution
The fourth proportional to 165,034,934.70, 247,552,402.05 and 147,816,246.30 is: 221,724,369.45
Step by Step Solution
- Step 1: Write the proportion equation
165,034,934.70 : 247,552,402.05 = 147,816,246.30 : x - Step 2: Convert to fraction form
165,034,934.70/247,552,402.05 = 147,816,246.30/x - Step 3: Cross multiply
165,034,934.70x = 247,552,402.05 × 147,816,246.30 - Step 4: Simplify right side
165,034,934.70x = 36,592,266,833,579,432 - Step 5: Solve for x
x = 36,592,266,833,579,432/165,034,934.70 - Step 6: Final answer
x = 221,724,369.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.