Finding the Fourth Proportional to 80,888,901.30, 121,333,351.95 and 67,436,800.99
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Solution
The fourth proportional to 80,888,901.30, 121,333,351.95 and 67,436,800.99 is: 101,155,201.48
Step by Step Solution
- Step 1: Write the proportion equation
80,888,901.30 : 121,333,351.95 = 67,436,800.99 : x - Step 2: Convert to fraction form
80,888,901.30/121,333,351.95 = 67,436,800.99/x - Step 3: Cross multiply
80,888,901.30x = 121,333,351.95 × 67,436,800.99 - Step 4: Simplify right side
80,888,901.30x = 8,182,333,108,598,445 - Step 5: Solve for x
x = 8,182,333,108,598,445/80,888,901.30 - Step 6: Final answer
x = 101,155,201.48
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Similar ratio
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1.5x scale
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.