Finding the Fourth Proportional to 231,490,852.64, 319,457,726.61 and 125,644,305.95
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Solution
The fourth proportional to 231,490,852.64, 319,457,726.61 and 125,644,305.95 is: 173,389,332.16
Step by Step Solution
- Step 1: Write the proportion equation
231,490,852.64 : 319,457,726.61 = 125,644,305.95 : x - Step 2: Convert to fraction form
231,490,852.64/319,457,726.61 = 125,644,305.95/x - Step 3: Cross multiply
231,490,852.64x = 319,457,726.61 × 125,644,305.95 - Step 4: Simplify right side
231,490,852.64x = 40,138,044,340,278,296 - Step 5: Solve for x
x = 40,138,044,340,278,296/231,490,852.64 - Step 6: Final answer
x = 173,389,332.16
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.