Finding the Fourth Proportional to 97,581,464.72, 134,661,164.97 and 55,765,051.17
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Solution
The fourth proportional to 97,581,464.72, 134,661,164.97 and 55,765,051.17 is: 76,955,052.65
Step by Step Solution
- Step 1: Write the proportion equation
97,581,464.72 : 134,661,164.97 = 55,765,051.17 : x - Step 2: Convert to fraction form
97,581,464.72/134,661,164.97 = 55,765,051.17/x - Step 3: Cross multiply
97,581,464.72x = 134,661,164.97 × 55,765,051.17 - Step 4: Simplify right side
97,581,464.72x = 7,509,386,755,163,862 - Step 5: Solve for x
x = 7,509,386,755,163,862/97,581,464.72 - Step 6: Final answer
x = 76,955,052.65
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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.