Finding the Fourth Proportional to 95,730,937.20, 143,277,541.20 and 84,251,811.60
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Solution
The fourth proportional to 95,730,937.20, 143,277,541.20 and 84,251,811.60 is: 126,097,087.95
Step by Step Solution
- Step 1: Write the proportion equation
95,730,937.20 : 143,277,541.20 = 84,251,811.60 : x - Step 2: Convert to fraction form
95,730,937.20/143,277,541.20 = 84,251,811.60/x - Step 3: Cross multiply
95,730,937.20x = 143,277,541.20 × 84,251,811.60 - Step 4: Simplify right side
95,730,937.20x = 12,071,392,407,693,636 - Step 5: Solve for x
x = 12,071,392,407,693,636/95,730,937.20 - Step 6: Final answer
x = 126,097,087.95
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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.