Finding the Fourth Proportional to 107,132,795.68, 160,719,878.64 and 45,721,058.08
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Solution
The fourth proportional to 107,132,795.68, 160,719,878.64 and 45,721,058.08 is: 68,590,414.91
Step by Step Solution
- Step 1: Write the proportion equation
107,132,795.68 : 160,719,878.64 = 45,721,058.08 : x - Step 2: Convert to fraction form
107,132,795.68/160,719,878.64 = 45,721,058.08/x - Step 3: Cross multiply
107,132,795.68x = 160,719,878.64 × 45,721,058.08 - Step 4: Simplify right side
107,132,795.68x = 7,348,282,905,909,990 - Step 5: Solve for x
x = 7,348,282,905,909,990/107,132,795.68 - Step 6: Final answer
x = 68,590,414.91
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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.