Finding the Fourth Proportional to 74,038,117.24, 102,171,346.60 and 40,997,659.96
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Solution
The fourth proportional to 74,038,117.24, 102,171,346.60 and 40,997,659.96 is: 56,576,075.70
Step by Step Solution
- Step 1: Write the proportion equation
74,038,117.24 : 102,171,346.60 = 40,997,659.96 : x - Step 2: Convert to fraction form
74,038,117.24/102,171,346.60 = 40,997,659.96/x - Step 3: Cross multiply
74,038,117.24x = 102,171,346.60 × 40,997,659.96 - Step 4: Simplify right side
74,038,117.24x = 4,188,786,125,562,102 - Step 5: Solve for x
x = 4,188,786,125,562,102/74,038,117.24 - Step 6: Final answer
x = 56,576,075.70
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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.