Finding the Fourth Proportional to 272,217,365.92, 375,595,395.49 and 154,733,448.18
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Solution
The fourth proportional to 272,217,365.92, 375,595,395.49 and 154,733,448.18 is: 213,495,455.99
Step by Step Solution
- Step 1: Write the proportion equation
272,217,365.92 : 375,595,395.49 = 154,733,448.18 : x - Step 2: Convert to fraction form
272,217,365.92/375,595,395.49 = 154,733,448.18/x - Step 3: Cross multiply
272,217,365.92x = 375,595,395.49 × 154,733,448.18 - Step 4: Simplify right side
272,217,365.92x = 58,117,170,666,300,416 - Step 5: Solve for x
x = 58,117,170,666,300,416/272,217,365.92 - Step 6: Final answer
x = 213,495,455.99
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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.