Finding the Fourth Proportional to 190,993,331.42, 286,489,639.76 and 59,845,646.96
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Solution
The fourth proportional to 190,993,331.42, 286,489,639.76 and 59,845,646.96 is: 89,768,358.46
Step by Step Solution
- Step 1: Write the proportion equation
190,993,331.42 : 286,489,639.76 = 59,845,646.96 : x - Step 2: Convert to fraction form
190,993,331.42/286,489,639.76 = 59,845,646.96/x - Step 3: Cross multiply
190,993,331.42x = 286,489,639.76 × 59,845,646.96 - Step 4: Simplify right side
190,993,331.42x = 17,145,157,838,774,538 - Step 5: Solve for x
x = 17,145,157,838,774,538/190,993,331.42 - Step 6: Final answer
x = 89,768,358.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.