Finding the Fourth Proportional to 97,884,322.54, 135,042,135.52 and 56,046,029.74
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Solution
The fourth proportional to 97,884,322.54, 135,042,135.52 and 56,046,029.74 is: 77,321,631.76
Step by Step Solution
- Step 1: Write the proportion equation
97,884,322.54 : 135,042,135.52 = 56,046,029.74 : x - Step 2: Convert to fraction form
97,884,322.54/135,042,135.52 = 56,046,029.74/x - Step 3: Cross multiply
97,884,322.54x = 135,042,135.52 × 56,046,029.74 - Step 4: Simplify right side
97,884,322.54x = 7,568,575,542,551,589 - Step 5: Solve for x
x = 7,568,575,542,551,589/97,884,322.54 - Step 6: Final answer
x = 77,321,631.76
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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.