Finding the Fourth Proportional to 65,202,074.80, 97,803,112.20 and 42,527,258.80
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Solution
The fourth proportional to 65,202,074.80, 97,803,112.20 and 42,527,258.80 is: 63,790,888.20
Step by Step Solution
- Step 1: Write the proportion equation
65,202,074.80 : 97,803,112.20 = 42,527,258.80 : x - Step 2: Convert to fraction form
65,202,074.80/97,803,112.20 = 42,527,258.80/x - Step 3: Cross multiply
65,202,074.80x = 97,803,112.20 × 42,527,258.80 - Step 4: Simplify right side
65,202,074.80x = 4,159,298,263,974,837 - Step 5: Solve for x
x = 4,159,298,263,974,837/65,202,074.80 - Step 6: Final answer
x = 63,790,888.20
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1.5x scale
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.