Finding the Fourth Proportional to 93,462,247.92, 128,977,583.07 and 51,645,148.44
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Solution
The fourth proportional to 93,462,247.92, 128,977,583.07 and 51,645,148.44 is: 71,270,128.54
Step by Step Solution
- Step 1: Write the proportion equation
93,462,247.92 : 128,977,583.07 = 51,645,148.44 : x - Step 2: Convert to fraction form
93,462,247.92/128,977,583.07 = 51,645,148.44/x - Step 3: Cross multiply
93,462,247.92x = 128,977,583.07 × 51,645,148.44 - Step 4: Simplify right side
93,462,247.92x = 6,661,066,423,082,580 - Step 5: Solve for x
x = 6,661,066,423,082,580/93,462,247.92 - Step 6: Final answer
x = 71,270,128.54
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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.