Finding the Fourth Proportional to 110,592,043.20, 165,888,064.80 and 83,718,187.20
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Solution
The fourth proportional to 110,592,043.20, 165,888,064.80 and 83,718,187.20 is: 125,577,280.80
Step by Step Solution
- Step 1: Write the proportion equation
110,592,043.20 : 165,888,064.80 = 83,718,187.20 : x - Step 2: Convert to fraction form
110,592,043.20/165,888,064.80 = 83,718,187.20/x - Step 3: Cross multiply
110,592,043.20x = 165,888,064.80 × 83,718,187.20 - Step 4: Simplify right side
110,592,043.20x = 13,887,848,063,172,132 - Step 5: Solve for x
x = 13,887,848,063,172,132/110,592,043.20 - Step 6: Final answer
x = 125,577,280.80
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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.