Finding the Fourth Proportional to 272,125,786.48, 375,565,466.84 and 154,668,772.60
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Solution
The fourth proportional to 272,125,786.48, 375,565,466.84 and 154,668,772.60 is: 213,461,026.75
Step by Step Solution
- Step 1: Write the proportion equation
272,125,786.48 : 375,565,466.84 = 154,668,772.60 : x - Step 2: Convert to fraction form
272,125,786.48/375,565,466.84 = 154,668,772.60/x - Step 3: Cross multiply
272,125,786.48x = 375,565,466.84 × 154,668,772.60 - Step 4: Simplify right side
272,125,786.48x = 58,088,249,785,376,536 - Step 5: Solve for x
x = 58,088,249,785,376,536/272,125,786.48 - Step 6: Final answer
x = 213,461,026.75
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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.