Finding the Fourth Proportional to 97,018,889.70, 145,528,334.55 and 48,504,231.30
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Solution
The fourth proportional to 97,018,889.70, 145,528,334.55 and 48,504,231.30 is: 72,756,346.95
Step by Step Solution
- Step 1: Write the proportion equation
97,018,889.70 : 145,528,334.55 = 48,504,231.30 : x - Step 2: Convert to fraction form
97,018,889.70/145,528,334.55 = 48,504,231.30/x - Step 3: Cross multiply
97,018,889.70x = 145,528,334.55 × 48,504,231.30 - Step 4: Simplify right side
97,018,889.70x = 7,058,739,999,716,982 - Step 5: Solve for x
x = 7,058,739,999,716,982/97,018,889.70 - Step 6: Final answer
x = 72,756,346.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.