Finding the Fourth Proportional to 108,070,573.74, 149,125,947.58 and 61,024,795.80
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Solution
The fourth proportional to 108,070,573.74, 149,125,947.58 and 61,024,795.80 is: 84,207,755.96
Step by Step Solution
- Step 1: Write the proportion equation
108,070,573.74 : 149,125,947.58 = 61,024,795.80 : x - Step 2: Convert to fraction form
108,070,573.74/149,125,947.58 = 61,024,795.80/x - Step 3: Cross multiply
108,070,573.74x = 149,125,947.58 × 61,024,795.80 - Step 4: Simplify right side
108,070,573.74x = 9,100,380,499,551,004 - Step 5: Solve for x
x = 9,100,380,499,551,004/108,070,573.74 - Step 6: Final answer
x = 84,207,755.96
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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.