Finding the Fourth Proportional to 60,999,963.09, 84,108,829.80 and 45,503,143.53
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Solution
The fourth proportional to 60,999,963.09, 84,108,829.80 and 45,503,143.53 is: 62,741,286.40
Step by Step Solution
- Step 1: Write the proportion equation
60,999,963.09 : 84,108,829.80 = 45,503,143.53 : x - Step 2: Convert to fraction form
60,999,963.09/84,108,829.80 = 45,503,143.53/x - Step 3: Cross multiply
60,999,963.09x = 84,108,829.80 × 45,503,143.53 - Step 4: Simplify right side
60,999,963.09x = 3,827,216,154,529,741 - Step 5: Solve for x
x = 3,827,216,154,529,741/60,999,963.09 - Step 6: Final answer
x = 62,741,286.40
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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.