Finding the Fourth Proportional to 254,098,413.36, 380,980,357.92 and 167,572,995.12
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Solution
The fourth proportional to 254,098,413.36, 380,980,357.92 and 167,572,995.12 is: 251,249,186.54
Step by Step Solution
- Step 1: Write the proportion equation
254,098,413.36 : 380,980,357.92 = 167,572,995.12 : x - Step 2: Convert to fraction form
254,098,413.36/380,980,357.92 = 167,572,995.12/x - Step 3: Cross multiply
254,098,413.36x = 380,980,357.92 × 167,572,995.12 - Step 4: Simplify right side
254,098,413.36x = 63,842,019,658,544,016 - Step 5: Solve for x
x = 63,842,019,658,544,016/254,098,413.36 - Step 6: Final answer
x = 251,249,186.54
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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.