Finding the Fourth Proportional to 138,962,581.68, 208,445,646.44 and 36,725,736
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Solution
The fourth proportional to 138,962,581.68, 208,445,646.44 and 36,725,736 is: 55,089,072.82
Step by Step Solution
- Step 1: Write the proportion equation
138,962,581.68 : 208,445,646.44 = 36,725,736 : x - Step 2: Convert to fraction form
138,962,581.68/208,445,646.44 = 36,725,736/x - Step 3: Cross multiply
138,962,581.68x = 208,445,646.44 × 36,725,736 - Step 4: Simplify right side
138,962,581.68x = 7,655,319,781,504,780 - Step 5: Solve for x
x = 7,655,319,781,504,780/138,962,581.68 - Step 6: Final answer
x = 55,089,072.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.