Finding the Fourth Proportional to 124,518,729.89, 186,891,437.48 and 66,275,305.88
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Solution
The fourth proportional to 124,518,729.89, 186,891,437.48 and 66,275,305.88 is: 99,473,285.62
Step by Step Solution
- Step 1: Write the proportion equation
124,518,729.89 : 186,891,437.48 = 66,275,305.88 : x - Step 2: Convert to fraction form
124,518,729.89/186,891,437.48 = 66,275,305.88/x - Step 3: Cross multiply
124,518,729.89x = 186,891,437.48 × 66,275,305.88 - Step 4: Simplify right side
124,518,729.89x = 12,386,287,184,074,062 - Step 5: Solve for x
x = 12,386,287,184,074,062/124,518,729.89 - Step 6: Final answer
x = 99,473,285.62
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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.