Finding the Fourth Proportional to 96,615,235.80, 144,873,208.80 and 28,449,070.20
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Solution
The fourth proportional to 96,615,235.80, 144,873,208.80 and 28,449,070.20 is: 42,658,986.99
Step by Step Solution
- Step 1: Write the proportion equation
96,615,235.80 : 144,873,208.80 = 28,449,070.20 : x - Step 2: Convert to fraction form
96,615,235.80/144,873,208.80 = 28,449,070.20/x - Step 3: Cross multiply
96,615,235.80x = 144,873,208.80 × 28,449,070.20 - Step 4: Simplify right side
96,615,235.80x = 4,121,508,087,250,458 - Step 5: Solve for x
x = 4,121,508,087,250,458/96,615,235.80 - Step 6: Final answer
x = 42,658,986.99
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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.