Finding the Fourth Proportional to 278,569,587.63, 417,863,681.64 and 125,216,086.95
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Solution
The fourth proportional to 278,569,587.63, 417,863,681.64 and 125,216,086.95 is: 187,828,310.83
Step by Step Solution
- Step 1: Write the proportion equation
278,569,587.63 : 417,863,681.64 = 125,216,086.95 : x - Step 2: Convert to fraction form
278,569,587.63/417,863,681.64 = 125,216,086.95/x - Step 3: Cross multiply
278,569,587.63x = 417,863,681.64 × 125,216,086.95 - Step 4: Simplify right side
278,569,587.63x = 52,323,255,093,481,360 - Step 5: Solve for x
x = 52,323,255,093,481,360/278,569,587.63 - Step 6: Final answer
x = 187,828,310.83
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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.