Finding the Fourth Proportional to 157,467,917.20, 236,201,875.80 and 49,762,541.20
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Solution
The fourth proportional to 157,467,917.20, 236,201,875.80 and 49,762,541.20 is: 74,643,811.80
Step by Step Solution
- Step 1: Write the proportion equation
157,467,917.20 : 236,201,875.80 = 49,762,541.20 : x - Step 2: Convert to fraction form
157,467,917.20/236,201,875.80 = 49,762,541.20/x - Step 3: Cross multiply
157,467,917.20x = 236,201,875.80 × 49,762,541.20 - Step 4: Simplify right side
157,467,917.20x = 11,754,005,576,014,784 - Step 5: Solve for x
x = 11,754,005,576,014,784/157,467,917.20 - Step 6: Final answer
x = 74,643,811.80
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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.