Finding the Fourth Proportional to 112,118,419.10, 168,177,628.65 and 73,376,370.20
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Solution
The fourth proportional to 112,118,419.10, 168,177,628.65 and 73,376,370.20 is: 110,064,555.30
Step by Step Solution
- Step 1: Write the proportion equation
112,118,419.10 : 168,177,628.65 = 73,376,370.20 : x - Step 2: Convert to fraction form
112,118,419.10/168,177,628.65 = 73,376,370.20/x - Step 3: Cross multiply
112,118,419.10x = 168,177,628.65 × 73,376,370.20 - Step 4: Simplify right side
112,118,419.10x = 12,340,263,939,180,528 - Step 5: Solve for x
x = 12,340,263,939,180,528/112,118,419.10 - Step 6: Final answer
x = 110,064,555.30
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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.