Finding the Fourth Proportional to 195,722,633.62, 293,698,431.66 and 72,985,744.18
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Solution
The fourth proportional to 195,722,633.62, 293,698,431.66 and 72,985,744.18 is: 109,521,306.77
Step by Step Solution
- Step 1: Write the proportion equation
195,722,633.62 : 293,698,431.66 = 72,985,744.18 : x - Step 2: Convert to fraction form
195,722,633.62/293,698,431.66 = 72,985,744.18/x - Step 3: Cross multiply
195,722,633.62x = 293,698,431.66 × 72,985,744.18 - Step 4: Simplify right side
195,722,633.62x = 21,435,798,597,735,480 - Step 5: Solve for x
x = 21,435,798,597,735,480/195,722,633.62 - Step 6: Final answer
x = 109,521,306.77
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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.