Finding the Fourth Proportional to 88,564,910.70, 132,847,366.05 and 78,487,214.70
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Solution
The fourth proportional to 88,564,910.70, 132,847,366.05 and 78,487,214.70 is: 117,730,822.05
Step by Step Solution
- Step 1: Write the proportion equation
88,564,910.70 : 132,847,366.05 = 78,487,214.70 : x - Step 2: Convert to fraction form
88,564,910.70/132,847,366.05 = 78,487,214.70/x - Step 3: Cross multiply
88,564,910.70x = 132,847,366.05 × 78,487,214.70 - Step 4: Simplify right side
88,564,910.70x = 10,426,819,741,495,842 - Step 5: Solve for x
x = 10,426,819,741,495,842/88,564,910.70 - Step 6: Final answer
x = 117,730,822.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.