Finding the Fourth Proportional to 108,309,947.44, 149,466,842.80 and 58,750,197.08
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Solution
The fourth proportional to 108,309,947.44, 149,466,842.80 and 58,750,197.08 is: 81,074,792.10
Step by Step Solution
- Step 1: Write the proportion equation
108,309,947.44 : 149,466,842.80 = 58,750,197.08 : x - Step 2: Convert to fraction form
108,309,947.44/149,466,842.80 = 58,750,197.08/x - Step 3: Cross multiply
108,309,947.44x = 149,466,842.80 × 58,750,197.08 - Step 4: Simplify right side
108,309,947.44x = 8,781,206,471,425,379 - Step 5: Solve for x
x = 8,781,206,471,425,379/108,309,947.44 - Step 6: Final answer
x = 81,074,792.10
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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.