Finding the Fourth Proportional to 91,046,982.11, 125,644,746.67 and 49,230,947.36
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Solution
The fourth proportional to 91,046,982.11, 125,644,746.67 and 49,230,947.36 is: 67,938,659.43
Step by Step Solution
- Step 1: Write the proportion equation
91,046,982.11 : 125,644,746.67 = 49,230,947.36 : x - Step 2: Convert to fraction form
91,046,982.11/125,644,746.67 = 49,230,947.36/x - Step 3: Cross multiply
91,046,982.11x = 125,644,746.67 × 49,230,947.36 - Step 4: Simplify right side
91,046,982.11x = 6,185,609,909,562,340 - Step 5: Solve for x
x = 6,185,609,909,562,340/91,046,982.11 - Step 6: Final answer
x = 67,938,659.43
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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.