Finding the Fourth Proportional to 278,569,586.13, 417,863,679.39 and 125,216,085.44
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Solution
The fourth proportional to 278,569,586.13, 417,863,679.39 and 125,216,085.44 is: 187,828,308.56
Step by Step Solution
- Step 1: Write the proportion equation
278,569,586.13 : 417,863,679.39 = 125,216,085.44 : x - Step 2: Convert to fraction form
278,569,586.13/417,863,679.39 = 125,216,085.44/x - Step 3: Cross multiply
278,569,586.13x = 417,863,679.39 × 125,216,085.44 - Step 4: Simplify right side
278,569,586.13x = 52,323,254,178,681,688 - Step 5: Solve for x
x = 52,323,254,178,681,688/278,569,586.13 - Step 6: Final answer
x = 187,828,308.56
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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.