Finding the Fourth Proportional to 68,708,357.46, 94,818,168.27 and 37,346,480.19
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Solution
The fourth proportional to 68,708,357.46, 94,818,168.27 and 37,346,480.19 is: 51,538,487.80
Step by Step Solution
- Step 1: Write the proportion equation
68,708,357.46 : 94,818,168.27 = 37,346,480.19 : x - Step 2: Convert to fraction form
68,708,357.46/94,818,168.27 = 37,346,480.19/x - Step 3: Cross multiply
68,708,357.46x = 94,818,168.27 × 37,346,480.19 - Step 4: Simplify right side
68,708,357.46x = 3,541,124,842,947,641 - Step 5: Solve for x
x = 3,541,124,842,947,641/68,708,357.46 - Step 6: Final answer
x = 51,538,487.80
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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.