Finding the Fourth Proportional to 57,470,178.70, 86,247,258.45 and 40,464,066.70
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Solution
The fourth proportional to 57,470,178.70, 86,247,258.45 and 40,464,066.70 is: 60,725,664.99
Step by Step Solution
- Step 1: Write the proportion equation
57,470,178.70 : 86,247,258.45 = 40,464,066.70 : x - Step 2: Convert to fraction form
57,470,178.70/86,247,258.45 = 40,464,066.70/x - Step 3: Cross multiply
57,470,178.70x = 86,247,258.45 × 40,464,066.70 - Step 4: Simplify right side
57,470,178.70x = 3,489,914,818,612,939 - Step 5: Solve for x
x = 3,489,914,818,612,939/57,470,178.70 - Step 6: Final answer
x = 60,725,664.99
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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.