Finding the Fourth Proportional to 107,539,200.80, 161,010,202.80 and 104,553,216.80
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Solution
The fourth proportional to 107,539,200.80, 161,010,202.80 and 104,553,216.80 is: 156,539,517.82
Step by Step Solution
- Step 1: Write the proportion equation
107,539,200.80 : 161,010,202.80 = 104,553,216.80 : x - Step 2: Convert to fraction form
107,539,200.80/161,010,202.80 = 104,553,216.80/x - Step 3: Cross multiply
107,539,200.80x = 161,010,202.80 × 104,553,216.80 - Step 4: Simplify right side
107,539,200.80x = 16,834,134,640,360,368 - Step 5: Solve for x
x = 16,834,134,640,360,368/107,539,200.80 - Step 6: Final answer
x = 156,539,517.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.