Finding the Fourth Proportional to 107,904,830.90, 161,857,246.35 and 96,567,422.90
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Solution
The fourth proportional to 107,904,830.90, 161,857,246.35 and 96,567,422.90 is: 144,851,134.35
Step by Step Solution
- Step 1: Write the proportion equation
107,904,830.90 : 161,857,246.35 = 96,567,422.90 : x - Step 2: Convert to fraction form
107,904,830.90/161,857,246.35 = 96,567,422.90/x - Step 3: Cross multiply
107,904,830.90x = 161,857,246.35 × 96,567,422.90 - Step 4: Simplify right side
107,904,830.90x = 15,630,137,157,709,932 - Step 5: Solve for x
x = 15,630,137,157,709,932/107,904,830.90 - Step 6: Final answer
x = 144,851,134.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.