Finding the Fourth Proportional to 387,426,195.99, 581,141,395.67 and 114,799,324.95
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Solution
The fourth proportional to 387,426,195.99, 581,141,395.67 and 114,799,324.95 is: 172,199,610.18
Step by Step Solution
- Step 1: Write the proportion equation
387,426,195.99 : 581,141,395.67 = 114,799,324.95 : x - Step 2: Convert to fraction form
387,426,195.99/581,141,395.67 = 114,799,324.95/x - Step 3: Cross multiply
387,426,195.99x = 581,141,395.67 × 114,799,324.95 - Step 4: Simplify right side
387,426,195.99x = 66,714,639,922,842,856 - Step 5: Solve for x
x = 66,714,639,922,842,856/387,426,195.99 - Step 6: Final answer
x = 172,199,610.18
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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.