Finding the Fourth Proportional to 134,788,987.20, 202,183,480.80 and 132,101,601.60
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Solution
The fourth proportional to 134,788,987.20, 202,183,480.80 and 132,101,601.60 is: 198,152,402.40
Step by Step Solution
- Step 1: Write the proportion equation
134,788,987.20 : 202,183,480.80 = 132,101,601.60 : x - Step 2: Convert to fraction form
134,788,987.20/202,183,480.80 = 132,101,601.60/x - Step 3: Cross multiply
134,788,987.20x = 202,183,480.80 × 132,101,601.60 - Step 4: Simplify right side
134,788,987.20x = 26,708,761,630,742,848 - Step 5: Solve for x
x = 26,708,761,630,742,848/134,788,987.20 - Step 6: Final answer
x = 198,152,402.40
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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.