Finding the Fourth Proportional to 70,781,235.45, 97,681,135.41 and 39,419,284.23
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Solution
The fourth proportional to 70,781,235.45, 97,681,135.41 and 39,419,284.23 is: 54,400,299.97
Step by Step Solution
- Step 1: Write the proportion equation
70,781,235.45 : 97,681,135.41 = 39,419,284.23 : x - Step 2: Convert to fraction form
70,781,235.45/97,681,135.41 = 39,419,284.23/x - Step 3: Cross multiply
70,781,235.45x = 97,681,135.41 × 39,419,284.23 - Step 4: Simplify right side
70,781,235.45x = 3,850,520,440,635,907 - Step 5: Solve for x
x = 3,850,520,440,635,907/70,781,235.45 - Step 6: Final answer
x = 54,400,299.97
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.