Finding the Fourth Proportional to 165,562,246.80, 248,343,370.20 and 79,256,228.40
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Solution
The fourth proportional to 165,562,246.80, 248,343,370.20 and 79,256,228.40 is: 118,884,342.60
Step by Step Solution
- Step 1: Write the proportion equation
165,562,246.80 : 248,343,370.20 = 79,256,228.40 : x - Step 2: Convert to fraction form
165,562,246.80/248,343,370.20 = 79,256,228.40/x - Step 3: Cross multiply
165,562,246.80x = 248,343,370.20 × 79,256,228.40 - Step 4: Simplify right side
165,562,246.80x = 19,682,758,870,196,956 - Step 5: Solve for x
x = 19,682,758,870,196,956/165,562,246.80 - Step 6: Final answer
x = 118,884,342.60
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1.5x scale
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.