Finding the Fourth Proportional to 68,135,332.64, 94,027,141.59 and 38,766,664.49
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Solution
The fourth proportional to 68,135,332.64, 94,027,141.59 and 38,766,664.49 is: 53,498,214.65
Step by Step Solution
- Step 1: Write the proportion equation
68,135,332.64 : 94,027,141.59 = 38,766,664.49 : x - Step 2: Convert to fraction form
68,135,332.64/94,027,141.59 = 38,766,664.49/x - Step 3: Cross multiply
68,135,332.64x = 94,027,141.59 × 38,766,664.49 - Step 4: Simplify right side
68,135,332.64x = 3,645,118,650,973,255.50 - Step 5: Solve for x
x = 3,645,118,650,973,255.50/68,135,332.64 - Step 6: Final answer
x = 53,498,214.65
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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.