Finding the Fourth Proportional to 89,165,746.70, 133,748,620.05 and 89,165,746.70
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Solution
The fourth proportional to 89,165,746.70, 133,748,620.05 and 89,165,746.70 is: 133,748,620.05
Step by Step Solution
- Step 1: Write the proportion equation
89,165,746.70 : 133,748,620.05 = 89,165,746.70 : x - Step 2: Convert to fraction form
89,165,746.70/133,748,620.05 = 89,165,746.70/x - Step 3: Cross multiply
89,165,746.70x = 133,748,620.05 × 89,165,746.70 - Step 4: Simplify right side
89,165,746.70x = 11,925,795,576,852,842 - Step 5: Solve for x
x = 11,925,795,576,852,842/89,165,746.70 - Step 6: Final answer
x = 133,748,620.05
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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.