Finding the Fourth Proportional to 93,620,795.93, 129,206,423.09 and 53,929,698.38
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Solution
The fourth proportional to 93,620,795.93, 129,206,423.09 and 53,929,698.38 is: 74,428,585.62
Step by Step Solution
- Step 1: Write the proportion equation
93,620,795.93 : 129,206,423.09 = 53,929,698.38 : x - Step 2: Convert to fraction form
93,620,795.93/129,206,423.09 = 53,929,698.38/x - Step 3: Cross multiply
93,620,795.93x = 129,206,423.09 × 53,929,698.38 - Step 4: Simplify right side
93,620,795.93x = 6,968,063,425,491,160 - Step 5: Solve for x
x = 6,968,063,425,491,160/93,620,795.93 - Step 6: Final answer
x = 74,428,585.62
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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.