Finding the Fourth Proportional to 86,818,087.44, 130,128,067.35 and 34,969,503.06
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Solution
The fourth proportional to 86,818,087.44, 130,128,067.35 and 34,969,503.06 is: 52,414,352.63
Step by Step Solution
- Step 1: Write the proportion equation
86,818,087.44 : 130,128,067.35 = 34,969,503.06 : x - Step 2: Convert to fraction form
86,818,087.44/130,128,067.35 = 34,969,503.06/x - Step 3: Cross multiply
86,818,087.44x = 130,128,067.35 × 34,969,503.06 - Step 4: Simplify right side
86,818,087.44x = 4,550,513,849,387,711 - Step 5: Solve for x
x = 4,550,513,849,387,711/86,818,087.44 - Step 6: Final answer
x = 52,414,352.63
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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.