Finding the Fourth Proportional to 242,354,879.70, 363,496,890.15 and 69,813,701.70
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Solution
The fourth proportional to 242,354,879.70, 363,496,890.15 and 69,813,701.70 is: 104,710,346.62
Step by Step Solution
- Step 1: Write the proportion equation
242,354,879.70 : 363,496,890.15 = 69,813,701.70 : x - Step 2: Convert to fraction form
242,354,879.70/363,496,890.15 = 69,813,701.70/x - Step 3: Cross multiply
242,354,879.70x = 363,496,890.15 × 69,813,701.70 - Step 4: Simplify right side
242,354,879.70x = 25,377,063,457,809,768 - Step 5: Solve for x
x = 25,377,063,457,809,768/242,354,879.70 - Step 6: Final answer
x = 104,710,346.62
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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.