Finding the Fourth Proportional to 42,122,116.80, 63,183,175.20 and 37,335,211.20
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Solution
The fourth proportional to 42,122,116.80, 63,183,175.20 and 37,335,211.20 is: 56,002,816.80
Step by Step Solution
- Step 1: Write the proportion equation
42,122,116.80 : 63,183,175.20 = 37,335,211.20 : x - Step 2: Convert to fraction form
42,122,116.80/63,183,175.20 = 37,335,211.20/x - Step 3: Cross multiply
42,122,116.80x = 63,183,175.20 × 37,335,211.20 - Step 4: Simplify right side
42,122,116.80x = 2,358,957,190,378,602.50 - Step 5: Solve for x
x = 2,358,957,190,378,602.50/42,122,116.80 - Step 6: Final answer
x = 56,002,816.80
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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.