Finding the Fourth Proportional to 225,553,501.20, 311,282,865.96 and 126,432,664.08
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Solution
The fourth proportional to 225,553,501.20, 311,282,865.96 and 126,432,664.08 is: 174,487,746.00
Step by Step Solution
- Step 1: Write the proportion equation
225,553,501.20 : 311,282,865.96 = 126,432,664.08 : x - Step 2: Convert to fraction form
225,553,501.20/311,282,865.96 = 126,432,664.08/x - Step 3: Cross multiply
225,553,501.20x = 311,282,865.96 × 126,432,664.08 - Step 4: Simplify right side
225,553,501.20x = 39,356,322,025,780,344 - Step 5: Solve for x
x = 39,356,322,025,780,344/225,553,501.20 - Step 6: Final answer
x = 174,487,746.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.