Finding the Fourth Proportional to 207,541,848.73, 286,408,328.49 and 113,457,132.55
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Solution
The fourth proportional to 207,541,848.73, 286,408,328.49 and 113,457,132.55 is: 156,571,158.48
Step by Step Solution
- Step 1: Write the proportion equation
207,541,848.73 : 286,408,328.49 = 113,457,132.55 : x - Step 2: Convert to fraction form
207,541,848.73/286,408,328.49 = 113,457,132.55/x - Step 3: Cross multiply
207,541,848.73x = 286,408,328.49 × 113,457,132.55 - Step 4: Simplify right side
207,541,848.73x = 32,495,067,688,913,872 - Step 5: Solve for x
x = 32,495,067,688,913,872/207,541,848.73 - Step 6: Final answer
x = 156,571,158.48
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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.