Finding the Fourth Proportional to 70,738,986.24, 97,618,801.09 and 39,799,081.71
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Solution
The fourth proportional to 70,738,986.24, 97,618,801.09 and 39,799,081.71 is: 54,922,170.19
Step by Step Solution
- Step 1: Write the proportion equation
70,738,986.24 : 97,618,801.09 = 39,799,081.71 : x - Step 2: Convert to fraction form
70,738,986.24/97,618,801.09 = 39,799,081.71/x - Step 3: Cross multiply
70,738,986.24x = 97,618,801.09 × 39,799,081.71 - Step 4: Simplify right side
70,738,986.24x = 3,885,138,641,013,147.50 - Step 5: Solve for x
x = 3,885,138,641,013,147.50/70,738,986.24 - Step 6: Final answer
x = 54,922,170.19
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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.