Finding the Fourth Proportional to 130,913,782.92, 196,399,413.36 and 38,804,625.63
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Solution
The fourth proportional to 130,913,782.92, 196,399,413.36 and 38,804,625.63 is: 58,215,457.07
Step by Step Solution
- Step 1: Write the proportion equation
130,913,782.92 : 196,399,413.36 = 38,804,625.63 : x - Step 2: Convert to fraction form
130,913,782.92/196,399,413.36 = 38,804,625.63/x - Step 3: Cross multiply
130,913,782.92x = 196,399,413.36 × 38,804,625.63 - Step 4: Simplify right side
130,913,782.92x = 7,621,205,709,386,421 - Step 5: Solve for x
x = 7,621,205,709,386,421/130,913,782.92 - Step 6: Final answer
x = 58,215,457.07
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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.