Finding the Fourth Proportional to 141,778,823.04, 195,557,652 and 86,801,842.08
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Solution
The fourth proportional to 141,778,823.04, 195,557,652 and 86,801,842.08 is: 119,727,079.56
Step by Step Solution
- Step 1: Write the proportion equation
141,778,823.04 : 195,557,652 = 86,801,842.08 : x - Step 2: Convert to fraction form
141,778,823.04/195,557,652 = 86,801,842.08/x - Step 3: Cross multiply
141,778,823.04x = 195,557,652 × 86,801,842.08 - Step 4: Simplify right side
141,778,823.04x = 16,974,764,426,439,596 - Step 5: Solve for x
x = 16,974,764,426,439,596/141,778,823.04 - Step 6: Final answer
x = 119,727,079.56
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.