Finding the Fourth Proportional to 121,360,326.42, 167,522,794.62 and 79,547,086.35
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Solution
The fourth proportional to 121,360,326.42, 167,522,794.62 and 79,547,086.35 is: 109,804,831.63
Step by Step Solution
- Step 1: Write the proportion equation
121,360,326.42 : 167,522,794.62 = 79,547,086.35 : x - Step 2: Convert to fraction form
121,360,326.42/167,522,794.62 = 79,547,086.35/x - Step 3: Cross multiply
121,360,326.42x = 167,522,794.62 × 79,547,086.35 - Step 4: Simplify right side
121,360,326.42x = 13,325,950,209,230,454 - Step 5: Solve for x
x = 13,325,950,209,230,454/121,360,326.42 - Step 6: Final answer
x = 109,804,831.63
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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.