Finding the Fourth Proportional to 71,202,746.14, 98,261,721.78 and 40,267,541.50
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Solution
The fourth proportional to 71,202,746.14, 98,261,721.78 and 40,267,541.50 is: 55,570,299.94
Step by Step Solution
- Step 1: Write the proportion equation
71,202,746.14 : 98,261,721.78 = 40,267,541.50 : x - Step 2: Convert to fraction form
71,202,746.14/98,261,721.78 = 40,267,541.50/x - Step 3: Cross multiply
71,202,746.14x = 98,261,721.78 × 40,267,541.50 - Step 4: Simplify right side
71,202,746.14x = 3,956,757,959,637,604 - Step 5: Solve for x
x = 3,956,757,959,637,604/71,202,746.14 - Step 6: Final answer
x = 55,570,299.94
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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.