Finding the Fourth Proportional to 108,867,689.70, 163,195,246.35 and 97,388,564.10
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Solution
The fourth proportional to 108,867,689.70, 163,195,246.35 and 97,388,564.10 is: 145,987,765.09
Step by Step Solution
- Step 1: Write the proportion equation
108,867,689.70 : 163,195,246.35 = 97,388,564.10 : x - Step 2: Convert to fraction form
108,867,689.70/163,195,246.35 = 97,388,564.10/x - Step 3: Cross multiply
108,867,689.70x = 163,195,246.35 × 97,388,564.10 - Step 4: Simplify right side
108,867,689.70x = 15,893,350,709,972,264 - Step 5: Solve for x
x = 15,893,350,709,972,264/108,867,689.70 - Step 6: Final answer
x = 145,987,765.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.