Finding the Fourth Proportional to 158,519,620.20, 237,779,430.30 and 115,297,501.80
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Solution
The fourth proportional to 158,519,620.20, 237,779,430.30 and 115,297,501.80 is: 172,946,252.70
Step by Step Solution
- Step 1: Write the proportion equation
158,519,620.20 : 237,779,430.30 = 115,297,501.80 : x - Step 2: Convert to fraction form
158,519,620.20/237,779,430.30 = 115,297,501.80/x - Step 3: Cross multiply
158,519,620.20x = 237,779,430.30 × 115,297,501.80 - Step 4: Simplify right side
158,519,620.20x = 27,415,374,293,017,224 - Step 5: Solve for x
x = 27,415,374,293,017,224/158,519,620.20 - Step 6: Final answer
x = 172,946,252.70
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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.