Finding the Fourth Proportional to 185,720,918.99, 278,582,565.69 and 54,562,658.00
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Solution
The fourth proportional to 185,720,918.99, 278,582,565.69 and 54,562,658.00 is: 81,844,335.78
Step by Step Solution
- Step 1: Write the proportion equation
185,720,918.99 : 278,582,565.69 = 54,562,658.00 : x - Step 2: Convert to fraction form
185,720,918.99/278,582,565.69 = 54,562,658.00/x - Step 3: Cross multiply
185,720,918.99x = 278,582,565.69 × 54,562,658.00 - Step 4: Simplify right side
185,720,918.99x = 15,200,205,255,113,090 - Step 5: Solve for x
x = 15,200,205,255,113,090/185,720,918.99 - Step 6: Final answer
x = 81,844,335.78
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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.