Finding the Fourth Proportional to 102,715,940.07, 141,732,866.21 and 62,461,401.84
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Solution
The fourth proportional to 102,715,940.07, 141,732,866.21 and 62,461,401.84 is: 86,187,533.35
Step by Step Solution
- Step 1: Write the proportion equation
102,715,940.07 : 141,732,866.21 = 62,461,401.84 : x - Step 2: Convert to fraction form
102,715,940.07/141,732,866.21 = 62,461,401.84/x - Step 3: Cross multiply
102,715,940.07x = 141,732,866.21 × 62,461,401.84 - Step 4: Simplify right side
102,715,940.07x = 8,852,833,509,965,462 - Step 5: Solve for x
x = 8,852,833,509,965,462/102,715,940.07 - Step 6: Final answer
x = 86,187,533.35
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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.