Finding the Fourth Proportional to 272,125,314.26, 408,189,472.18 and 67,653,389.51
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Solution
The fourth proportional to 272,125,314.26, 408,189,472.18 and 67,653,389.51 is: 101,480,457.37
Step by Step Solution
- Step 1: Write the proportion equation
272,125,314.26 : 408,189,472.18 = 67,653,389.51 : x - Step 2: Convert to fraction form
272,125,314.26/408,189,472.18 = 67,653,389.51/x - Step 3: Cross multiply
272,125,314.26x = 408,189,472.18 × 67,653,389.51 - Step 4: Simplify right side
272,125,314.26x = 27,615,401,353,064,768 - Step 5: Solve for x
x = 27,615,401,353,064,768/272,125,314.26 - Step 6: Final answer
x = 101,480,457.37
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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.