Finding the Fourth Proportional to 97,031,649.16, 133,915,418.96 and 55,225,879.48
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Solution
The fourth proportional to 97,031,649.16, 133,915,418.96 and 55,225,879.48 is: 76,218,397.32
Step by Step Solution
- Step 1: Write the proportion equation
97,031,649.16 : 133,915,418.96 = 55,225,879.48 : x - Step 2: Convert to fraction form
97,031,649.16/133,915,418.96 = 55,225,879.48/x - Step 3: Cross multiply
97,031,649.16x = 133,915,418.96 × 55,225,879.48 - Step 4: Simplify right side
97,031,649.16x = 7,395,596,787,998,666 - Step 5: Solve for x
x = 7,395,596,787,998,666/97,031,649.16 - Step 6: Final answer
x = 76,218,397.32
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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.