Finding the Fourth Proportional to 71,242,028.08, 98,314,188.01 and 38,646,980.08
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Solution
The fourth proportional to 71,242,028.08, 98,314,188.01 and 38,646,980.08 is: 53,332,935.18
Step by Step Solution
- Step 1: Write the proportion equation
71,242,028.08 : 98,314,188.01 = 38,646,980.08 : x - Step 2: Convert to fraction form
71,242,028.08/98,314,188.01 = 38,646,980.08/x - Step 3: Cross multiply
71,242,028.08x = 98,314,188.01 × 38,646,980.08 - Step 4: Simplify right side
71,242,028.08x = 3,799,546,465,261,441.50 - Step 5: Solve for x
x = 3,799,546,465,261,441.50/71,242,028.08 - Step 6: Final answer
x = 53,332,935.18
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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.