Finding the Fourth Proportional to 132,861,430.58, 183,348,888.35 and 74,124,104.81
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Solution
The fourth proportional to 132,861,430.58, 183,348,888.35 and 74,124,104.81 is: 102,291,328.32
Step by Step Solution
- Step 1: Write the proportion equation
132,861,430.58 : 183,348,888.35 = 74,124,104.81 : x - Step 2: Convert to fraction form
132,861,430.58/183,348,888.35 = 74,124,104.81/x - Step 3: Cross multiply
132,861,430.58x = 183,348,888.35 × 74,124,104.81 - Step 4: Simplify right side
132,861,430.58x = 13,590,572,215,565,024 - Step 5: Solve for x
x = 13,590,572,215,565,024/132,861,430.58 - Step 6: Final answer
x = 102,291,328.32
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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.