Finding the Fourth Proportional to 111,177,792.36, 153,425,368.17 and 61,621,361.98
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Solution
The fourth proportional to 111,177,792.36, 153,425,368.17 and 61,621,361.98 is: 85,037,487.68
Step by Step Solution
- Step 1: Write the proportion equation
111,177,792.36 : 153,425,368.17 = 61,621,361.98 : x - Step 2: Convert to fraction form
111,177,792.36/153,425,368.17 = 61,621,361.98/x - Step 3: Cross multiply
111,177,792.36x = 153,425,368.17 × 61,621,361.98 - Step 4: Simplify right side
111,177,792.36x = 9,454,280,148,534,776 - Step 5: Solve for x
x = 9,454,280,148,534,776/111,177,792.36 - Step 6: Final answer
x = 85,037,487.68
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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.