Finding the Fourth Proportional to 153,625,411.36, 212,019,497.10 and 94,126,193.66
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Solution
The fourth proportional to 153,625,411.36, 212,019,497.10 and 94,126,193.66 is: 129,904,213.55
Step by Step Solution
- Step 1: Write the proportion equation
153,625,411.36 : 212,019,497.10 = 94,126,193.66 : x - Step 2: Convert to fraction form
153,625,411.36/212,019,497.10 = 94,126,193.66/x - Step 3: Cross multiply
153,625,411.36x = 212,019,497.10 × 94,126,193.66 - Step 4: Simplify right side
153,625,411.36x = 19,956,588,243,730,408 - Step 5: Solve for x
x = 19,956,588,243,730,408/153,625,411.36 - Step 6: Final answer
x = 129,904,213.55
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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.