Finding the Fourth Proportional to 97,890,539,075.75, 135,088,950,420.70 and 54,485,892,452.94
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Solution
The fourth proportional to 97,890,539,075.75, 135,088,950,420.70 and 54,485,892,452.94 is: 75,190,535,200.83
Step by Step Solution
- Step 1: Write the proportion equation
97,890,539,075.75 : 135,088,950,420.70 = 54,485,892,452.94 : x - Step 2: Convert to fraction form
97,890,539,075.75/135,088,950,420.70 = 54,485,892,452.94/x - Step 3: Cross multiply
97,890,539,075.75x = 135,088,950,420.70 × 54,485,892,452.94 - Step 4: Simplify right side
97,890,539,075.75x = 7,360,442,024,202,803,871,744 - Step 5: Solve for x
x = 7,360,442,024,202,803,871,744/97,890,539,075.75 - Step 6: Final answer
x = 75,190,535,200.83
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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.