Finding the Fourth Proportional to 49,763,220.32, 68,516,960.82 and 42,306,209.12
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Solution
The fourth proportional to 49,763,220.32, 68,516,960.82 and 42,306,209.12 is: 58,249,704.38
Step by Step Solution
- Step 1: Write the proportion equation
49,763,220.32 : 68,516,960.82 = 42,306,209.12 : x - Step 2: Convert to fraction form
49,763,220.32/68,516,960.82 = 42,306,209.12/x - Step 3: Cross multiply
49,763,220.32x = 68,516,960.82 × 42,306,209.12 - Step 4: Simplify right side
49,763,220.32x = 2,898,692,872,717,766 - Step 5: Solve for x
x = 2,898,692,872,717,766/49,763,220.32 - Step 6: Final answer
x = 58,249,704.38
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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.