Finding the Fourth Proportional to 121,451,864.72, 167,607,570.24 and 66,446,462.48
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Solution
The fourth proportional to 121,451,864.72, 167,607,570.24 and 66,446,462.48 is: 91,698,304.95
Step by Step Solution
- Step 1: Write the proportion equation
121,451,864.72 : 167,607,570.24 = 66,446,462.48 : x - Step 2: Convert to fraction form
121,451,864.72/167,607,570.24 = 66,446,462.48/x - Step 3: Cross multiply
121,451,864.72x = 167,607,570.24 × 66,446,462.48 - Step 4: Simplify right side
121,451,864.72x = 11,136,930,127,316,124 - Step 5: Solve for x
x = 11,136,930,127,316,124/121,451,864.72 - Step 6: Final answer
x = 91,698,304.95
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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.