Finding the Fourth Proportional to 106,931,541.96, 147,565,811.88 and 58,038,969.96
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Solution
The fourth proportional to 106,931,541.96, 147,565,811.88 and 58,038,969.96 is: 80,093,932.68
Step by Step Solution
- Step 1: Write the proportion equation
106,931,541.96 : 147,565,811.88 = 58,038,969.96 : x - Step 2: Convert to fraction form
106,931,541.96/147,565,811.88 = 58,038,969.96/x - Step 3: Cross multiply
106,931,541.96x = 147,565,811.88 × 58,038,969.96 - Step 4: Simplify right side
106,931,541.96x = 8,564,567,722,826,331 - Step 5: Solve for x
x = 8,564,567,722,826,331/106,931,541.96 - Step 6: Final answer
x = 80,093,932.68
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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.