Finding the Fourth Proportional to 228,912,743.35, 315,896,585.65 and 124,488,589.06
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Solution
The fourth proportional to 228,912,743.35, 315,896,585.65 and 124,488,589.06 is: 171,792,621.33
Step by Step Solution
- Step 1: Write the proportion equation
228,912,743.35 : 315,896,585.65 = 124,488,589.06 : x - Step 2: Convert to fraction form
228,912,743.35/315,896,585.65 = 124,488,589.06/x - Step 3: Cross multiply
228,912,743.35x = 315,896,585.65 × 124,488,589.06 - Step 4: Simplify right side
228,912,743.35x = 39,325,520,236,523,592 - Step 5: Solve for x
x = 39,325,520,236,523,592/228,912,743.35 - Step 6: Final answer
x = 171,792,621.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.