Finding the Fourth Proportional to 135,005,350.13, 186,307,389.48 and 73,125,688.64
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Solution
The fourth proportional to 135,005,350.13, 186,307,389.48 and 73,125,688.64 is: 100,913,453.74
Step by Step Solution
- Step 1: Write the proportion equation
135,005,350.13 : 186,307,389.48 = 73,125,688.64 : x - Step 2: Convert to fraction form
135,005,350.13/186,307,389.48 = 73,125,688.64/x - Step 3: Cross multiply
135,005,350.13x = 186,307,389.48 × 73,125,688.64 - Step 4: Simplify right side
135,005,350.13x = 13,623,856,154,445,690 - Step 5: Solve for x
x = 13,623,856,154,445,690/135,005,350.13 - Step 6: Final answer
x = 100,913,453.74
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1.5x scale
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.