Finding the Fourth Proportional to 135,256,357.34, 186,652,347.36 and 75,718,143.08
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Solution
The fourth proportional to 135,256,357.34, 186,652,347.36 and 75,718,143.08 is: 104,490,239.29
Step by Step Solution
- Step 1: Write the proportion equation
135,256,357.34 : 186,652,347.36 = 75,718,143.08 : x - Step 2: Convert to fraction form
135,256,357.34/186,652,347.36 = 75,718,143.08/x - Step 3: Cross multiply
135,256,357.34x = 186,652,347.36 × 75,718,143.08 - Step 4: Simplify right side
135,256,357.34x = 14,132,969,143,622,342 - Step 5: Solve for x
x = 14,132,969,143,622,342/135,256,357.34 - Step 6: Final answer
x = 104,490,239.29
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.