Finding the Fourth Proportional to 121,506,618.62, 167,679,575.18 and 65,752,033.15
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Solution
The fourth proportional to 121,506,618.62, 167,679,575.18 and 65,752,033.15 is: 90,738,044.66
Step by Step Solution
- Step 1: Write the proportion equation
121,506,618.62 : 167,679,575.18 = 65,752,033.15 : x - Step 2: Convert to fraction form
121,506,618.62/167,679,575.18 = 65,752,033.15/x - Step 3: Cross multiply
121,506,618.62x = 167,679,575.18 × 65,752,033.15 - Step 4: Simplify right side
121,506,618.62x = 11,025,272,985,940,686 - Step 5: Solve for x
x = 11,025,272,985,940,686/121,506,618.62 - Step 6: Final answer
x = 90,738,044.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.