Finding the Fourth Proportional to 97,803,101.72, 134,971,517.06 and 53,751,661.60
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Solution
The fourth proportional to 97,803,101.72, 134,971,517.06 and 53,751,661.60 is: 74,179,071.86
Step by Step Solution
- Step 1: Write the proportion equation
97,803,101.72 : 134,971,517.06 = 53,751,661.60 : x - Step 2: Convert to fraction form
97,803,101.72/134,971,517.06 = 53,751,661.60/x - Step 3: Cross multiply
97,803,101.72x = 134,971,517.06 × 53,751,661.60 - Step 4: Simplify right side
97,803,101.72x = 7,254,943,310,647,747 - Step 5: Solve for x
x = 7,254,943,310,647,747/97,803,101.72 - Step 6: Final answer
x = 74,179,071.86
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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.