Finding the Fourth Proportional to 165,034,924.20, 247,552,386.30 and 147,816,235.80
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Solution
The fourth proportional to 165,034,924.20, 247,552,386.30 and 147,816,235.80 is: 221,724,353.70
Step by Step Solution
- Step 1: Write the proportion equation
165,034,924.20 : 247,552,386.30 = 147,816,235.80 : x - Step 2: Convert to fraction form
165,034,924.20/247,552,386.30 = 147,816,235.80/x - Step 3: Cross multiply
165,034,924.20x = 247,552,386.30 × 147,816,235.80 - Step 4: Simplify right side
165,034,924.20x = 36,592,261,906,173,496 - Step 5: Solve for x
x = 36,592,261,906,173,496/165,034,924.20 - Step 6: Final answer
x = 221,724,353.70
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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.