Finding the Fourth Proportional to 280,451,723.35, 420,686,155.18 and 96,216,615.14
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Solution
The fourth proportional to 280,451,723.35, 420,686,155.18 and 96,216,615.14 is: 144,327,862.94
Step by Step Solution
- Step 1: Write the proportion equation
280,451,723.35 : 420,686,155.18 = 96,216,615.14 : x - Step 2: Convert to fraction form
280,451,723.35/420,686,155.18 = 96,216,615.14/x - Step 3: Cross multiply
280,451,723.35x = 420,686,155.18 × 96,216,615.14 - Step 4: Simplify right side
280,451,723.35x = 40,476,997,887,680,376 - Step 5: Solve for x
x = 40,476,997,887,680,376/280,451,723.35 - Step 6: Final answer
x = 144,327,862.94
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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.