Finding the Fourth Proportional to 56,882,953.78, 78,497,917.36 and 30,776,898.81
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Solution
The fourth proportional to 56,882,953.78, 78,497,917.36 and 30,776,898.81 is: 42,471,817.98
Step by Step Solution
- Step 1: Write the proportion equation
56,882,953.78 : 78,497,917.36 = 30,776,898.81 : x - Step 2: Convert to fraction form
56,882,953.78/78,497,917.36 = 30,776,898.81/x - Step 3: Cross multiply
56,882,953.78x = 78,497,917.36 × 30,776,898.81 - Step 4: Simplify right side
56,882,953.78x = 2,415,922,459,384,462 - Step 5: Solve for x
x = 2,415,922,459,384,462/56,882,953.78 - Step 6: Final answer
x = 42,471,817.98
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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.