Finding the Fourth Proportional to 98,580,205.32, 136,031,553.81 and 54,526,256.07
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Solution
The fourth proportional to 98,580,205.32, 136,031,553.81 and 54,526,256.07 is: 75,241,183.69
Step by Step Solution
- Step 1: Write the proportion equation
98,580,205.32 : 136,031,553.81 = 54,526,256.07 : x - Step 2: Convert to fraction form
98,580,205.32/136,031,553.81 = 54,526,256.07/x - Step 3: Cross multiply
98,580,205.32x = 136,031,553.81 × 54,526,256.07 - Step 4: Simplify right side
98,580,205.32x = 7,417,291,336,644,044 - Step 5: Solve for x
x = 7,417,291,336,644,044/98,580,205.32 - Step 6: Final answer
x = 75,241,183.69
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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.