Finding the Fourth Proportional to 230,641,663.99, 318,285,290.68 and 130,191,244.79
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Solution
The fourth proportional to 230,641,663.99, 318,285,290.68 and 130,191,244.79 is: 179,663,801.74
Step by Step Solution
- Step 1: Write the proportion equation
230,641,663.99 : 318,285,290.68 = 130,191,244.79 : x - Step 2: Convert to fraction form
230,641,663.99/318,285,290.68 = 130,191,244.79/x - Step 3: Cross multiply
230,641,663.99x = 318,285,290.68 × 130,191,244.79 - Step 4: Simplify right side
230,641,663.99x = 41,437,958,191,976,192 - Step 5: Solve for x
x = 41,437,958,191,976,192/230,641,663.99 - Step 6: Final answer
x = 179,663,801.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.