Finding the Fourth Proportional to 265,672,472.67, 398,623,805.35 and 142,707,326.04
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Solution
The fourth proportional to 265,672,472.67, 398,623,805.35 and 142,707,326.04 is: 214,122,813.65
Step by Step Solution
- Step 1: Write the proportion equation
265,672,472.67 : 398,623,805.35 = 142,707,326.04 : x - Step 2: Convert to fraction form
265,672,472.67/398,623,805.35 = 142,707,326.04/x - Step 3: Cross multiply
265,672,472.67x = 398,623,805.35 × 142,707,326.04 - Step 4: Simplify right side
265,672,472.67x = 56,886,537,357,031,176 - Step 5: Solve for x
x = 56,886,537,357,031,176/265,672,472.67 - Step 6: Final answer
x = 214,122,813.65
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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.