Finding the Fourth Proportional to 75,968,158.24, 104,778,212.16 and 65,389,551.04
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Solution
The fourth proportional to 75,968,158.24, 104,778,212.16 and 65,389,551.04 is: 90,187,789.34
Step by Step Solution
- Step 1: Write the proportion equation
75,968,158.24 : 104,778,212.16 = 65,389,551.04 : x - Step 2: Convert to fraction form
75,968,158.24/104,778,212.16 = 65,389,551.04/x - Step 3: Cross multiply
75,968,158.24x = 104,778,212.16 × 65,389,551.04 - Step 4: Simplify right side
75,968,158.24x = 6,851,400,251,916,268 - Step 5: Solve for x
x = 6,851,400,251,916,268/75,968,158.24 - Step 6: Final answer
x = 90,187,789.34
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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.