Finding the Fourth Proportional to 124,518,709.91, 186,891,407.53 and 66,275,285.90
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Solution
The fourth proportional to 124,518,709.91, 186,891,407.53 and 66,275,285.90 is: 99,473,255.66
Step by Step Solution
- Step 1: Write the proportion equation
124,518,709.91 : 186,891,407.53 = 66,275,285.90 : x - Step 2: Convert to fraction form
124,518,709.91/186,891,407.53 = 66,275,285.90/x - Step 3: Cross multiply
124,518,709.91x = 186,891,407.53 × 66,275,285.90 - Step 4: Simplify right side
124,518,709.91x = 12,386,281,465,204,018 - Step 5: Solve for x
x = 12,386,281,465,204,018/124,518,709.91 - Step 6: Final answer
x = 99,473,255.66
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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.