Finding the Fourth Proportional to 276,521,319.81, 414,492,246.84 and 128,847,130.08
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Solution
The fourth proportional to 276,521,319.81, 414,492,246.84 and 128,847,130.08 is: 193,135,691.97
Step by Step Solution
- Step 1: Write the proportion equation
276,521,319.81 : 414,492,246.84 = 128,847,130.08 : x - Step 2: Convert to fraction form
276,521,319.81/414,492,246.84 = 128,847,130.08/x - Step 3: Cross multiply
276,521,319.81x = 414,492,246.84 × 128,847,130.08 - Step 4: Simplify right side
276,521,319.81x = 53,406,136,445,744,944 - Step 5: Solve for x
x = 53,406,136,445,744,944/276,521,319.81 - Step 6: Final answer
x = 193,135,691.97
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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.