Finding the Fourth Proportional to 79,952,451.36, 110,334,631.44 and 43,282,934.88
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Solution
The fourth proportional to 79,952,451.36, 110,334,631.44 and 43,282,934.88 is: 59,730,584.70
Step by Step Solution
- Step 1: Write the proportion equation
79,952,451.36 : 110,334,631.44 = 43,282,934.88 : x - Step 2: Convert to fraction form
79,952,451.36/110,334,631.44 = 43,282,934.88/x - Step 3: Cross multiply
79,952,451.36x = 110,334,631.44 × 43,282,934.88 - Step 4: Simplify right side
79,952,451.36x = 4,775,606,667,626,321 - Step 5: Solve for x
x = 4,775,606,667,626,321/79,952,451.36 - Step 6: Final answer
x = 59,730,584.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.