Finding the Fourth Proportional to 163,333,827.30, 245,000,740.95 and 126,345,533.70
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Solution
The fourth proportional to 163,333,827.30, 245,000,740.95 and 126,345,533.70 is: 189,518,300.55
Step by Step Solution
- Step 1: Write the proportion equation
163,333,827.30 : 245,000,740.95 = 126,345,533.70 : x - Step 2: Convert to fraction form
163,333,827.30/245,000,740.95 = 126,345,533.70/x - Step 3: Cross multiply
163,333,827.30x = 245,000,740.95 × 126,345,533.70 - Step 4: Simplify right side
163,333,827.30x = 30,954,749,372,223,196 - Step 5: Solve for x
x = 30,954,749,372,223,196/163,333,827.30 - Step 6: Final answer
x = 189,518,300.55
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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.