Finding the Fourth Proportional to 83,956,239.36, 115,888,596.48 and 49,160,113.92
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Solution
The fourth proportional to 83,956,239.36, 115,888,596.48 and 49,160,113.92 is: 67,857,929.90
Step by Step Solution
- Step 1: Write the proportion equation
83,956,239.36 : 115,888,596.48 = 49,160,113.92 : x - Step 2: Convert to fraction form
83,956,239.36/115,888,596.48 = 49,160,113.92/x - Step 3: Cross multiply
83,956,239.36x = 115,888,596.48 × 49,160,113.92 - Step 4: Simplify right side
83,956,239.36x = 5,697,096,604,985,711 - Step 5: Solve for x
x = 5,697,096,604,985,711/83,956,239.36 - Step 6: Final answer
x = 67,857,929.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.