Finding the Fourth Proportional to 70,738,530.24, 106,078,688.28 and 27,035,430.60
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Solution
The fourth proportional to 70,738,530.24, 106,078,688.28 and 27,035,430.60 is: 40,542,021.52
Step by Step Solution
- Step 1: Write the proportion equation
70,738,530.24 : 106,078,688.28 = 27,035,430.60 : x - Step 2: Convert to fraction form
70,738,530.24/106,078,688.28 = 27,035,430.60/x - Step 3: Cross multiply
70,738,530.24x = 106,078,688.28 × 27,035,430.60 - Step 4: Simplify right side
70,738,530.24x = 2,867,883,015,132,973.50 - Step 5: Solve for x
x = 2,867,883,015,132,973.50/70,738,530.24 - Step 6: Final answer
x = 40,542,021.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.