Finding the Fourth Proportional to 302,465,609.20, 453,698,413.80 and 149,185,097.20
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Solution
The fourth proportional to 302,465,609.20, 453,698,413.80 and 149,185,097.20 is: 223,777,645.80
Step by Step Solution
- Step 1: Write the proportion equation
302,465,609.20 : 453,698,413.80 = 149,185,097.20 : x - Step 2: Convert to fraction form
302,465,609.20/453,698,413.80 = 149,185,097.20/x - Step 3: Cross multiply
302,465,609.20x = 453,698,413.80 × 149,185,097.20 - Step 4: Simplify right side
302,465,609.20x = 67,685,041,962,238,816 - Step 5: Solve for x
x = 67,685,041,962,238,816/302,465,609.20 - Step 6: Final answer
x = 223,777,645.80
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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.