Finding the Fourth Proportional to 68,079,837.53, 101,588,764.52 and 60,742,868.06
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Solution
The fourth proportional to 68,079,837.53, 101,588,764.52 and 60,742,868.06 is: 90,640,535.34
Step by Step Solution
- Step 1: Write the proportion equation
68,079,837.53 : 101,588,764.52 = 60,742,868.06 : x - Step 2: Convert to fraction form
68,079,837.53/101,588,764.52 = 60,742,868.06/x - Step 3: Cross multiply
68,079,837.53x = 101,588,764.52 × 60,742,868.06 - Step 4: Simplify right side
68,079,837.53x = 6,170,792,918,805,111 - Step 5: Solve for x
x = 6,170,792,918,805,111/68,079,837.53 - Step 6: Final answer
x = 90,640,535.34
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.