Finding the Fourth Proportional to 153,028,846.76, 229,206,806.63 and 126,466,641.90
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Solution
The fourth proportional to 153,028,846.76, 229,206,806.63 and 126,466,641.90 is: 189,421,901.49
Step by Step Solution
- Step 1: Write the proportion equation
153,028,846.76 : 229,206,806.63 = 126,466,641.90 : x - Step 2: Convert to fraction form
153,028,846.76/229,206,806.63 = 126,466,641.90/x - Step 3: Cross multiply
153,028,846.76x = 229,206,806.63 × 126,466,641.90 - Step 4: Simplify right side
153,028,846.76x = 28,987,015,134,486,424 - Step 5: Solve for x
x = 28,987,015,134,486,424/153,028,846.76 - Step 6: Final answer
x = 189,421,901.49
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.