Finding the Fourth Proportional to 93,438,540.33, 128,941,283.12 and 53,743,052.99
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Solution
The fourth proportional to 93,438,540.33, 128,941,283.12 and 53,743,052.99 is: 74,163,168.49
Step by Step Solution
- Step 1: Write the proportion equation
93,438,540.33 : 128,941,283.12 = 53,743,052.99 : x - Step 2: Convert to fraction form
93,438,540.33/128,941,283.12 = 53,743,052.99/x - Step 3: Cross multiply
93,438,540.33x = 128,941,283.12 × 53,743,052.99 - Step 4: Simplify right side
93,438,540.33x = 6,929,698,210,403,330 - Step 5: Solve for x
x = 6,929,698,210,403,330/93,438,540.33 - Step 6: Final answer
x = 74,163,168.49
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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.