Finding the Fourth Proportional to 96,637,696.71, 133,315,919.73 and 57,457,176.18
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Solution
The fourth proportional to 96,637,696.71, 133,315,919.73 and 57,457,176.18 is: 79,264,681.88
Step by Step Solution
- Step 1: Write the proportion equation
96,637,696.71 : 133,315,919.73 = 57,457,176.18 : x - Step 2: Convert to fraction form
96,637,696.71/133,315,919.73 = 57,457,176.18/x - Step 3: Cross multiply
96,637,696.71x = 133,315,919.73 × 57,457,176.18 - Step 4: Simplify right side
96,637,696.71x = 7,659,956,287,525,348 - Step 5: Solve for x
x = 7,659,956,287,525,348/96,637,696.71 - Step 6: Final answer
x = 79,264,681.88
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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.