Finding the Fourth Proportional to 118,045,792.45, 177,068,688.68 and 93,386,930.05
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Solution
The fourth proportional to 118,045,792.45, 177,068,688.68 and 93,386,930.05 is: 140,080,395.08
Step by Step Solution
- Step 1: Write the proportion equation
118,045,792.45 : 177,068,688.68 = 93,386,930.05 : x - Step 2: Convert to fraction form
118,045,792.45/177,068,688.68 = 93,386,930.05/x - Step 3: Cross multiply
118,045,792.45x = 177,068,688.68 × 93,386,930.05 - Step 4: Simplify right side
118,045,792.45x = 16,535,901,243,804,386 - Step 5: Solve for x
x = 16,535,901,243,804,386/118,045,792.45 - Step 6: Final answer
x = 140,080,395.08
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1.5x scale
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.