Finding the Fourth Proportional to 70,135,352.73, 96,791,083.80 and 39,197,992.41
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Solution
The fourth proportional to 70,135,352.73, 96,791,083.80 and 39,197,992.41 is: 54,095,631.10
Step by Step Solution
- Step 1: Write the proportion equation
70,135,352.73 : 96,791,083.80 = 39,197,992.41 : x - Step 2: Convert to fraction form
70,135,352.73/96,791,083.80 = 39,197,992.41/x - Step 3: Cross multiply
70,135,352.73x = 96,791,083.80 × 39,197,992.41 - Step 4: Simplify right side
70,135,352.73x = 3,794,016,168,148,073.50 - Step 5: Solve for x
x = 3,794,016,168,148,073.50/70,135,352.73 - Step 6: Final answer
x = 54,095,631.10
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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.