Finding the Fourth Proportional to 193,617,116.80, 290,425,675.20 and 149,779,139.20
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Solution
The fourth proportional to 193,617,116.80, 290,425,675.20 and 149,779,139.20 is: 224,668,708.80
Step by Step Solution
- Step 1: Write the proportion equation
193,617,116.80 : 290,425,675.20 = 149,779,139.20 : x - Step 2: Convert to fraction form
193,617,116.80/290,425,675.20 = 149,779,139.20/x - Step 3: Cross multiply
193,617,116.80x = 290,425,675.20 × 149,779,139.20 - Step 4: Simplify right side
193,617,116.80x = 43,499,707,633,034,784 - Step 5: Solve for x
x = 43,499,707,633,034,784/193,617,116.80 - Step 6: Final answer
x = 224,668,708.80
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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.