Finding the Fourth Proportional to 87,696,541.88, 120,896,466.98 and 59,783,431.68
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Solution
The fourth proportional to 87,696,541.88, 120,896,466.98 and 59,783,431.68 is: 82,416,085.28
Step by Step Solution
- Step 1: Write the proportion equation
87,696,541.88 : 120,896,466.98 = 59,783,431.68 : x - Step 2: Convert to fraction form
87,696,541.88/120,896,466.98 = 59,783,431.68/x - Step 3: Cross multiply
87,696,541.88x = 120,896,466.98 × 59,783,431.68 - Step 4: Simplify right side
87,696,541.88x = 7,227,605,673,753,288 - Step 5: Solve for x
x = 7,227,605,673,753,288/87,696,541.88 - Step 6: Final answer
x = 82,416,085.28
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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.