Finding the Fourth Proportional to 293,776,815.07, 440,649,275.46 and 89,288,947.09
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Solution
The fourth proportional to 293,776,815.07, 440,649,275.46 and 89,288,947.09 is: 133,928,573.75
Step by Step Solution
- Step 1: Write the proportion equation
293,776,815.07 : 440,649,275.46 = 89,288,947.09 : x - Step 2: Convert to fraction form
293,776,815.07/440,649,275.46 = 89,288,947.09/x - Step 3: Cross multiply
293,776,815.07x = 440,649,275.46 × 89,288,947.09 - Step 4: Simplify right side
293,776,815.07x = 39,345,109,841,794,776 - Step 5: Solve for x
x = 39,345,109,841,794,776/293,776,815.07 - Step 6: Final answer
x = 133,928,573.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.