Finding the Fourth Proportional to 272,125,790.79, 375,565,472.78 and 154,668,776.91
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Solution
The fourth proportional to 272,125,790.79, 375,565,472.78 and 154,668,776.91 is: 213,461,032.69
Step by Step Solution
- Step 1: Write the proportion equation
272,125,790.79 : 375,565,472.78 = 154,668,776.91 : x - Step 2: Convert to fraction form
272,125,790.79/375,565,472.78 = 154,668,776.91/x - Step 3: Cross multiply
272,125,790.79x = 375,565,472.78 × 154,668,776.91 - Step 4: Simplify right side
272,125,790.79x = 58,088,252,323,735,152 - Step 5: Solve for x
x = 58,088,252,323,735,152/272,125,790.79 - Step 6: Final answer
x = 213,461,032.69
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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.