Finding the Fourth Proportional to 199,771,843.24, 299,681,753.82 and 70,352,687.08
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Solution
The fourth proportional to 199,771,843.24, 299,681,753.82 and 70,352,687.08 is: 105,537,478.70
Step by Step Solution
- Step 1: Write the proportion equation
199,771,843.24 : 299,681,753.82 = 70,352,687.08 : x - Step 2: Convert to fraction form
199,771,843.24/299,681,753.82 = 70,352,687.08/x - Step 3: Cross multiply
199,771,843.24x = 299,681,753.82 × 70,352,687.08 - Step 4: Simplify right side
199,771,843.24x = 21,083,416,650,084,052 - Step 5: Solve for x
x = 21,083,416,650,084,052/199,771,843.24 - Step 6: Final answer
x = 105,537,478.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.