Finding the Fourth Proportional to 65,203,324.80, 97,804,987.20 and 42,528,508.80
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Solution
The fourth proportional to 65,203,324.80, 97,804,987.20 and 42,528,508.80 is: 63,792,763.20
Step by Step Solution
- Step 1: Write the proportion equation
65,203,324.80 : 97,804,987.20 = 42,528,508.80 : x - Step 2: Convert to fraction form
65,203,324.80/97,804,987.20 = 42,528,508.80/x - Step 3: Cross multiply
65,203,324.80x = 97,804,987.20 × 42,528,508.80 - Step 4: Simplify right side
65,203,324.80x = 4,159,500,258,819,087 - Step 5: Solve for x
x = 4,159,500,258,819,087/65,203,324.80 - Step 6: Final answer
x = 63,792,763.20
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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.