Finding the Fourth Proportional to 135,430,889.86, 186,895,726.41 and 73,551,672.10
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Solution
The fourth proportional to 135,430,889.86, 186,895,726.41 and 73,551,672.10 is: 101,501,904.03
Step by Step Solution
- Step 1: Write the proportion equation
135,430,889.86 : 186,895,726.41 = 73,551,672.10 : x - Step 2: Convert to fraction form
135,430,889.86/186,895,726.41 = 73,551,672.10/x - Step 3: Cross multiply
135,430,889.86x = 186,895,726.41 × 73,551,672.10 - Step 4: Simplify right side
135,430,889.86x = 13,746,493,185,799,628 - Step 5: Solve for x
x = 13,746,493,185,799,628/135,430,889.86 - Step 6: Final answer
x = 101,501,904.03
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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.