Finding the Fourth Proportional to 185,326,821.92, 255,750,312.67 and 101,696,352.05
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Solution
The fourth proportional to 185,326,821.92, 255,750,312.67 and 101,696,352.05 is: 140,340,580.84
Step by Step Solution
- Step 1: Write the proportion equation
185,326,821.92 : 255,750,312.67 = 101,696,352.05 : x - Step 2: Convert to fraction form
185,326,821.92/255,750,312.67 = 101,696,352.05/x - Step 3: Cross multiply
185,326,821.92x = 255,750,312.67 × 101,696,352.05 - Step 4: Simplify right side
185,326,821.92x = 26,008,873,834,571,028 - Step 5: Solve for x
x = 26,008,873,834,571,028/185,326,821.92 - Step 6: Final answer
x = 140,340,580.84
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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.