Finding the Fourth Proportional to 46,299,343.16, 69,475,919.06 and 20,740,352.56
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Solution
The fourth proportional to 46,299,343.16, 69,475,919.06 and 20,740,352.56 is: 31,122,580.97
Step by Step Solution
- Step 1: Write the proportion equation
46,299,343.16 : 69,475,919.06 = 20,740,352.56 : x - Step 2: Convert to fraction form
46,299,343.16/69,475,919.06 = 20,740,352.56/x - Step 3: Cross multiply
46,299,343.16x = 69,475,919.06 × 20,740,352.56 - Step 4: Simplify right side
46,299,343.16x = 1,440,955,056,071,638.75 - Step 5: Solve for x
x = 1,440,955,056,071,638.75/46,299,343.16 - Step 6: Final answer
x = 31,122,580.97
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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.