Finding the Fourth Proportional to 49,340,079.84, 68,089,848.90 and 27,313,947.18
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Solution
The fourth proportional to 49,340,079.84, 68,089,848.90 and 27,313,947.18 is: 37,693,545.34
Step by Step Solution
- Step 1: Write the proportion equation
49,340,079.84 : 68,089,848.90 = 27,313,947.18 : x - Step 2: Convert to fraction form
49,340,079.84/68,089,848.90 = 27,313,947.18/x - Step 3: Cross multiply
49,340,079.84x = 68,089,848.90 × 27,313,947.18 - Step 4: Simplify right side
49,340,079.84x = 1,859,802,536,348,781.25 - Step 5: Solve for x
x = 1,859,802,536,348,781.25/49,340,079.84 - Step 6: Final answer
x = 37,693,545.34
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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.