Finding the Fourth Proportional to 107,599,356.58, 148,532,929.12 and 72,337,612.20
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Solution
The fourth proportional to 107,599,356.58, 148,532,929.12 and 72,337,612.20 is: 99,856,707.02
Step by Step Solution
- Step 1: Write the proportion equation
107,599,356.58 : 148,532,929.12 = 72,337,612.20 : x - Step 2: Convert to fraction form
107,599,356.58/148,532,929.12 = 72,337,612.20/x - Step 3: Cross multiply
107,599,356.58x = 148,532,929.12 × 72,337,612.20 - Step 4: Simplify right side
107,599,356.58x = 10,744,517,425,341,382 - Step 5: Solve for x
x = 10,744,517,425,341,382/107,599,356.58 - Step 6: Final answer
x = 99,856,707.02
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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.